There may be times when we are powerless to prevent injustice, but there must never be a time when we fail to protest.

Never explain? Your friends do not need it and your enemies will not believe you anyway.

Theology, by diverting the attention of men from this life to another, and by endeavoring to coerce all men into one religion, constantly preaching that this world is full of misery, but the next world would be beautiful – or not, as the case may be – has forced on men the thought of fear where otherwise there might have been the happy abandon of nature.

Good health! Whenever you go out of doors, draw the chin in, carry the crown of your head high, and fill the lungs to the utmost; drink in sunshine; greet your friends with a smile, and put soul into every handclasp. Do not fear being misunderstood and never waste a minute thinking about your enemies.

The reason men oppose progress is not that they hate progress, but that they love inertia.

Character is the result of two things: mental attitude and the way we spend our time

The man who is anybody and who does anything is surely going to be criticized, vilified, and misunderstood. This is a part of the penalty for greatness, and every great man understands it; and understands, too, that it is no proof of greatness. The final proof of greatness lies in being able to endure contumely without resentment

Be pleasant until ten o’clock in the morning and the rest of the day will take care of itself

Love grows by giving. The love we give away is the only love we keep. The only way to retain love is to give it away.

Christianity supplies a Hell for the people who disagree with you and a Heaven for your friends

Many people fail in life, not for lack of ability or brains or even courage but simply because they have never organized their energies around a goal.

The greatest mistake you can make in life is continually fearing that you’ll make one

The greatest mistake you can make in life is continually fearing that you’ll make one.

Where parents do too much for their children, the children will not do much for themselves

Art is the beautiful way of doing things. Science is the effective way of doing things. Business is the economic way of doing things.

Love grows by giving. The love we give away is the only love we keep. The only way to retain love is to give it away.

Art is the beautiful way of doing things. Science is the effective way of doing things. Business is the economic way of doing things.

Strong men can always afford to be gentle. Only the weak are intent on giving as good as they get.

The probable fact is that we are descended not only from monkeys but from monks.

Every man is a damn fool for at least five minutes every day; wisdom consists in not exceeding the limit.

Many a man’s reputation would not know his character if they met on the street.

The recipe for perpetual ignorance is: be satisfied with your opinions and content with your knowledge.

The nation that prepares for war will sooner or later have war. We get just anything we prepare for, and we get nothing else. Everything that happens is a sequence: this happened today because you did that yesterday.

The best men are always first discovered by their enemies: it is the adversary who turns on the searchlight, and the proof of excellence lies in being able to stand the gleam.

The object of teaching a child is to enable him to get along without his teacher

The men you see waiting in the lobbies of doctors’ offices are, in a vast majority of cases, suffering through poisoning caused by an excess of food.

The expression similia similes is a Latin phrase and means that an imaginary disease can best be cured by an imaginary remedy.

Success is voltage under control—keeping one hand on the transformer of your Kosmic Kilowatts.

Professor Tyndall once said the finest inspiration he ever received was from an old man who could scarcely read. This man acted as his servant. Each morning the old man would knock on the door of the scientist and call, “Arise, Sir: it is near seven o’clock and you have great work to do today

Science is simply the classification of the common knowledge of the common people. It is bringing together the things we all know and putting them together so we can use them. This is creation and finds its analogy in Nature, where the elements are combined in certain ways to give us fruits or flowers or grain.

Let it be understood that the University is a preparatory school: it is life that gives you the “finals”—not college.

ne machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man.

In the Life of Darwin by his son, there is related an incident of how the great naturalist once studied long as to just what a certain spore was. Finally he said, “It is this, for if it isn’t, then what is it?” And all during his life he was never able to forget that he had been guilty of this unscientific attitude, for science is founded on certitude, not assumption.

Nature is the great ocean of intelligence in which we are bathed.

I do not believe that God ever created a man and then got so “put out” over the job that He damned him.

It is the patient workers, and the active, kindly sympathetic men and women who hold the balance of things secure.

It is always the nearest, plainest and simplest principles that learned men comprehend last.

Every man has his little weakness. It often takes the form of a desire to get something for nothing.

I would rather have a big burden and a strong back, than a weak back and a caddy to carry life’s luggage.

He who criticizes, be he ever so honest, must suggest a practical remedy or he soon descends from the height of a critic to the level of a common scold.

Business, to be successful, must be based on science, for demand and supply are matters of mathematics, not guesswork.

Envy is an eyesore engendered by looking at another’s success thru the spectacles of our own inferiority.

As a career, the business of an orthodox preacher is about as successful as that of a celluloid dog chasing an asbestos cat through hell.

Art is the beautiful way of doing things. Science is the effective way of doing things. Business is the economic way of doing things.

Know what you want to do, hold the thought firmly, and do every day what should be done, and every sunset will see you that much nearer the goal.

One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man.

Folks who never do any more than they get paid for, never get paid for any more than they do

The line between failure and success is so fine. . . that we are often on the line and do not know it.

I would rather be able to appreciate things I cannot have than to have things I am not able to appreciate.

The final proof of greatness lies in being able to endure criticism without resentment.

It does not take much strength to do things, but it requires a great deal of strength to decide what to do.

Self-discipline is the ability to make yourself do what you should do, when you should do it, whether you feel like it or not.

The world is moving so fast these days that the man who says it can’t be done is generally interrupted by someone doing it

The object of teaching a child is to enable him to get along without a teacher

Never explain?your friends do not need it and your enemies will not believe you anyway

He who does not understand your silence will probably not understand your words.

It does not take much strength to do things, but it requires great strength to decide on what to do.

This will never be a civilized country until we expend more money for books than we do for chewing gum.

A failure is a man who has blundered but is not capable of cashing in on the experience.

Every man is a damn fool for at least five minutes every day; wisdom consists in not exceeding the limit

Never get married in college; it’s hard to get a start if a prospective employer finds you’ve already made one mistake.