The human animal is a bad animal.
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
写作是一种孤独的行为,但它以深刻的方式将我们与世界连接起来。
即便这世界明天就要毁灭,我今天仍然要种下一株小苹果树!
It’s a lie to think you’re not good enough. It’s a lie to think you’re not worth anything.