Jews outside Israel live in lasting logical inconsistency. I figure they should return home.

If whole branches of Jews must be destroyed, it is worth it, as long as a Jewish state in Palestine is created.

Man has such a predilection for systems and abstract deductions that he is ready to distort the truth intentionally he is ready to deny the evidence of his senses only to justify his logic.

But men love abstract reasoning and neat systematization so much that they think nothing of distorting the truth, closing their eyes and ears to contrary evidence to preserve their logical constructions.

Logic may indeed be unshakeable, but it cannot withstand a man who is determined to live.

Ideas should be neutral. But man animates them with his passions and folly. Impure and turned into beliefs, they take on the appearance of reality. The passage from logic is consummated. Thus are born ideologies, doctrines, and bloody farce.

That is the logical tight-rope on which we have to walk if we wish to interpret nature.

If we design the environment properly, it will permit child and man to develop safely and to behave logically.

A tramp, a gentleman, a poet, a dreamer, a lonely fellow, always hopeful of romance and adventure.

The most obvious and easy things in mathematics are not those that come logically at the beginning; they are things that, from the point of view of logical deduction, come somewhere in the middle. Just as the easiest bodies to see are those that are neither very near nor very far…