The theory of Communism may be summed up in one sentence: Abolish all private property.

Life is a chemical function.

Failure gave me an inner security that I had never attained by passing examinations. Failure taught me things about myself that I could have learned no other way. I discovered that I had a strong will, and more discipline than I had suspected; I also found out that I had friends whose value was truly above the price of rubies.

人生最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。

I don't want to be alone, I want to be left alone.

The pursuit of science is more than the pursuit of understanding. It is the pursuit of a kind of wisdom that comes from knowing how much we do not know.