The only way to tell the truth is to speak with authority, and the only way to speak with authority is to claim the right to tell the truth.
唯一交到朋友的方法就是自己先成为朋友。
To love means to open ourselves to the negative as well as the positive - to grief, sorrow, and disappointment as well as to joy, fulfillment, and an intensity of consciousness we did not know was possible before.
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.