If economists could manage to get themselves thought of as humble， competent people on a level with dentists， that would be splendid.

The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

你停止学习的那一刻，就是你开始落后的那一刻。

可持续性不是一种选择，而是生存的必要条件。

Life never exists on its own, but accompanied by loneliness. Whether we are born, we grow up, we fall in love or we succeed and fail, until the end, loneliness exists in a corner of life like a shadow.

The Dead Poets were dedicated to sucking the marrow out of life.