——1912年在旧金山丽蝉戏院的演说

目标不是哀悼失去的未来，而是将它们用作未来斗争的资源。

煤炭研究和DNA工作同样重要。

"A person is, among all else, a material thing, easily torn and not easily mended."

Every piece of fruit tells a story - of sunshine, rain and care from human hands.

领导力意味着为了更美好的明天而在今天做出艰难的决定。

The idea of America is so important to me. It's about freedom, democracy, and the ability to create your own destiny.

物理学家的直觉就像复杂荒野中的指南针。