Theorems are eternal; their proofs are ephemeral.

过去就是过去，它属于那里。

假设生活会非常艰难，然后问自己能否承受。如果答案是肯定的，你就赢了。

"The world is full of magic things, patiently waiting for our senses to grow sharper."

The greatest enemy of a good plan is the dream of a perfect plan.

我不考虑成为最好的，我考虑进步并享受我所做的事情。