A feeble body weakens the mind.

This dog, which, although no beauty, was of an uncommon breed, I had made my friend and companion; and it certainly deserved the name better than the majority of those who had assumed it.

Posterity is always just.

One can buy anything with money except morality.

Let the trumpet of the day of judgment sound when it will, I shall appear with this book in my hand before the Sovereign Judge, and cry with a loud voice, This is my work, there were my thoughts, and thus was I. I have freely told both the good and the bad, have hid nothing wicked, added nothing good.

A man who is not a fool can rid himself of every folly except vanity.

To be sane in a world of madman is in itself madness.