I am not bothered by the fact that I am not understood. I am bothered when I do not know others.

Silence is the true friend that never betrays.

Conscience is the inner voice which warns us that someone might be looking. Hear and you forget, see and you remember, do and you understand.

The book salesman should be honored because he brings to our attention, as a rule, the very books we need most and neglect most.

The gentleman calls attention to the good points in others; he does not call attention to their defects. The small man does just the reverse of this.

The great mountain must collapse, the mighty beam must break and the wise man wither like a plant.

All wisdom is rooted in learning to call things by the right name. When things are properly identified, they fall into natural categories and understanding becomes orderly.