My name is Usain Bolt and I don't think limits.

I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.

在数学中，你并不理解事物。你只是习惯了它们。

"I believe in the power of storytelling. It's how we make sense of the world."

我喜欢和不怕冒险的演员合作。

There is one small step for man, a giant leap for mankind.

债券市场是价值的最终评判者。