Success is not final, failure is not fatal: It is the courage to continue that counts.

"We are all apprentices in a craft where no one ever becomes a master."

Every discovery in physics opens the door to a new mystery.

Don't worry about the world coming to an end today. It's already tomorrow in Australia.

做出伟大工作的唯一方法是热爱你所做的事情。

预测未来的最好方式就是创造未来。