That arithmetic is the basest of all mental activities is proved by the fact that it is the only one that can be accomplished by a machine.

The problem with Germans is that they look in the clouds for what lies at their feet.

There is something in us that is wiser than our head.

A man's knowledge may be said to be mature, in other words, when it has reached the most complete state of perfection to which he, as an individual, is capable of bringing it, when an exact correspondence is established between the whole of his abstract ideas and the things he has actually perceived for himself. His will mean that each of his abstract ideas rests, directly or indirectly, upon a basis of observation, which alone endows it with any real value; and also that he is able to place every observation he makes under the right abstract idea which belongs to it.

Most men are so thoroughly subjective that nothing really interests them but themselves.

There are, first of all, two kinds of authors: those who write for the subject's sake, and those who write for writing's sake.

I love looking at famous people. Because of the way they look. Because of the way photography makes them look famous.