If you are an ignorant man, you are acting wisely; but if you have had any education, you are behaving like a fool

Remember that life holds out many pleasing deceits to us by the vanity of glory; for that when we are beginning to live, then we are dying. There is, therefore, nothing more profitless than ambition

Slovenliness is a lazy and beastly negligence of a man’s own person, whereby he becomes so sordid as to be offensive to those about him

Alcmaeon was the first to define the difference between man and animals, saying that man differs from the latter in the fact that he alone has the power of understanding

We must consider the distinctive characters and the general nature of plants from the point of view of their morphology, their behavior under external conditions, their mode of generation, and the whole course of their life

The sound of the flute will cure epilepsyand sciatic gout

The man of petty ambition if invited to dinner will be eager to be set next his host

One may define flattery as a base companionship which is most advantageous to the flattery

Ah, yes, superstition: it would appear to be cowardice in face of the supernatural

Superstition would seem to be simply cowardice in regard to the supernatural

An orator without judgment is a horse without a bridle

I would define boastfulness to be the pretension to good which the boaster does not possess

True friends visit us in prosperity only when invited, but in adversity they come without invitation.

Love is the affection of a mind that has nothing better to engage it

Beauty is a mute deception

Our costliest expenditure is time

Waste of time is the most extravagant and costly of all expenses

Time is the most valuable thing a man can spend.