The moment you doubt whether you can fly, you cease for ever to be able to do it.
The essence of education means: one tree shakes another, one cloud pushes another, one soul awakens another.
每一个挑战都是伪装的机遇——只要你有心发现。
If economists could manage to get themselves thought of as humble, competent people on a level with dentists, that would be splendid.