We enter the world alone, we leave it alone.

Fear is the parent of cruelty.

The essence of true nobility is neglect of self. Let the thought of self pass in, and the beauty of a great action is gone, like the bloom from a soiled flower.

A person possessed with an idea cannot be reasoned with.

If you think you can temper yourself into manliness by sitting here over your books, it is the very silliest fancy that ever tempted a young man to his ruin. You cannot dream yourself into a character; you must hammer and forge yourself one.

Where nature is sovereign, there is no need of austerity and self-denial.

Ignorance is the dominion of absurdity.