Knowledge is like a sphere, the greater its volume, the larger its contact with the unknown. - Blaise Pascal

Habit is a second nature thta destroys the first. But what is nature? Why is habit not natural? I am very much afraid that nature itself is only a first habit, just as habit is a second nature.

Thinking too little about things or thinking too much both make us obstinate and fanatical.

Mahomet established a religion by putting his enemies to death; Jesus Christ, by commanding his followers to lay down their own lives.