The world is full of people who have never, since childhood, met an open doorway with an open mind.
世界上充满了自童年以来从未以开放的心态面对开放的门的人。
The most powerful tool for change is knowledge, rigorously pursued and widely shared.
"What's terrible is to pretend that the second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better."