Glory and reflected glory are best manifested between the Sun and the Moon.

I feel exhausted if I teach too long.

With fools, there is no companionship. Rather than to live with men who are selfish, vain, quarrelsome, and obstinate, let a man walk alone.

Eating words has never given me indigestion. 

Our task must be to free ourselves by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty.

What is the appropriate behavior for a man or a woman in the midst of this world, where each person is clinging to his piece of debris? What's the proper salutation between people as they pass each other in this flood?

Personally I'm always ready to learn, although I do not always like being taught. 

The price of greatness is responsibility. 

Science is global. Einstein's equation, E=mc2, has to reach everywhere. Science is a beautiful gift to humanity, we should not distort it. Science does not differentiate between multiple races.

Our judgments when we are pleased and friendly are not the same as when we are pained and hostile.

Where there is righteousness in the heart, there is harmony in the house; when there is harmony in the house, there is order in the nation; when there is order in the nation, there is peace in the world.

The inherent vice of capitalism is the unequal sharing of blessings; the inherent virtue of socialism is the equal sharing of miseries.