地球上生命的未来取决于我们采取行动的能力。许多人正在尽其所能，但只有我们的社会、经济和政治发生变化，才能取得真正的成功。
The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.
You don’t have to be defined by the things you did or didn’t do in your past.
In string theory, all particles are vibrations of a tiny supersymmetric string.
"We are all the sum of our hesitations."
书籍是通往其他可能性的窗户。
Ah, but a man's reach should exceed his grasp, or what's a heaven for?
"Never confuse movement with action."
心理过程是生活的工具，其价值在于它们的用途。