The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
If there ever comes a day when we can't be together， keep me in your heart. I'll stay there forever.
“如果真有一天，我们不能在一起了，就把我放在你心里吧!我会永远待在那里。”
"I think children are naturally curious and open to new ideas, and that's something I try to capture in my books."
I have a sense of exile in thought, as if I were an alien.
写作是一种对抗遗忘、对抗死亡的方式。