The greatest knowledge is to know oneself.
伟大的公司建立在伟大的产品之上，而伟大的产品来自充满激情的人。
人生起落无常，低谷时别放弃。
We must balance short-term energy needs with long-term environmental goals.
一个思想的价值在于它对行为的后果。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.