Hunger and poverty are the root causes of much of the world's unrest and misery.

I've learned that failure is just part of the process, and you can't let it define you.

每一部电影都是一次旅程，每一次旅程都是一部电影。

The beauty of mathematics lies in its simplicity and depth.

What is necessary to change a person is to change his awareness of himself.

科学与日常生活不能也不应该被分开。