“Kind words do not cost much. They never blister the tongue or lips.”

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

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.

It is the heart which perceives God and not the reason.

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

The eternal silence of these infinite spaces terrifies me.