It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.

A teacher must have a healthy body, the skills of a farmer, the mind of a scientist, the interest in art, and the spirit of social reform.

可持续发展不是口号，而是必须践行的企业责任。

You have to be fearless in life.

"We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct."