You don't have to be alone.

生存就是在苦难中找到意义。

I've learned that you can't have everything and do everything at the same time.

Probability theory is nothing but common sense reduced to calculation.

释义：小的善行虽然不能带来巨大的好处，但是不能不做；小的恶行虽然不能惹来灾祸，但是不能不改。