I know of no great men except those who have rendered great service to the human race.
I envy animals for two things - their ignorance of evil to come, and their ignorance of what is said about them.
An infallible method of making fanatics is to persuade before you instruct.
To announce truths is an infallible receipt for being persecuted.
Chance is a word void of sense; nothing can exist without a cause.
One feels like crawling on all fours after reading your work.