No matter what people tell you, words and ideas can change the world.

The most radical art is often the most subtle.

无限的努力是打开潜能的关键-而不是实力与头脑。

The best time to plant a tree was 20 years ago. The second best time is now.

物理学的未来取决于我们操纵比当前能测量的更快过程的能力。