Mental activity is always directed toward some end.

I give my all in every concert because I want to live up to the audience's expectations.

I never really thought about being a director. I just wanted to be an actor.

做出伟大工作的唯一方法是热爱你所做的事情。

科学是赋能的工具，而不是控制的工具。

"Books are the most powerful weapons in the world."

The greatest threat to our planet is the belief that someone else will save it.

每个圣人都有过去，每个罪人都有未来。