What good is the warmth of summer, without the cold of winter to give it sweetness.

成功不是偶然的，而是通过不断的努力和坚持得来的。

我每天都像在拼命奋斗。

The power of randomness in algorithms is often underestimated.

"Grief does not change you, Hazel. It reveals you."

一本书就是你握在手中的一个梦想。