永远不要问理发师你是否需要理发。

If you want something you've never had, you must be willing to do something you've never done.

True happiness comes from doing what you love.

The highest manifestation of life consists in this: that a being governs its own actions.A thing which is always subject to the direction of another is somewhat of a dead thing.

Science is not just a collection of facts; it is a way of thinking.

Collaboration is key to tackling the world's energy challenges.

The dead have much to teach the living.

凡是大国之所以不攻打小国的，必定是由于这个小国粮食充足，城郭修筑坚固，上下和谐一心。 

只管走过去，不必逗留着采了花朵来保存，因为一路上花朵自会继续开放的。