“Man is neither angel nor brute, and the unfortunate thing is that he who would act the angel acts the brute.”

All of humanity's problems stem from man's inability to sit quietly in a room alone.

Justice without force is powerless; force without justice is tyrannical.

Small minds are concerned with the extraordinary, great minds with the ordinary.

We are generally the better persuaded by the reasons we discover ourselves than by those given to us by others.

Man's greatness lies in his power of thought.