In the earliest ages science was poetry, as in the later poetry has become science.

The brain can be easy to buy, but the heart never comes to market.

The path of nature is, indeed, a narrow one, and it is only the immortals that seek it, and, when they find it, do not find themselves cramped therein.

The ultimate result of protecting fools from their folly is to fill the planet full of fools.

I have always been of the mind that in a democracy manners are the only effective weapons against the bowie-knife.

Practical application is the only mordant which will set things in the memory. Study without it is gymnastics, and not work, which alone will get intellectual bread.

For only by unlearning Wisdom comes.