Don't let fear write your story.

Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.

Every mathematical problem has a solution; the challenge is finding it.

我来这里不是为了拿第二名。

“唯一真正无边无际的是人类精神。”

真相并不总是令人舒适，但它是必要的。