我认为我一生中从未感到无聊。总有事情可以思考。
I don’t think I’ve ever been bored in my life. There’s always something to think about.
权力的代价总是高昂的,但无力的代价更高。
The best time to plant a tree was 20 years ago. The second best time is now.
数学中最激动人心的时刻是当你意识到两个看似不相关的领域有着深刻的联系时。