每一次挫折都是为东山再起做的准备。
"Every setback is a setup for a comeback."
When you are doing what you love, you don't feel the pressure.
Success is not final, failure is not fatal: It is the courage to continue that counts.
The success of liberal democracy depends on the ability of its institutions to adapt to changing circumstances.
最好的学习方法就是动手去做——在实验室里亲自动手。
The beauty of the universe lies in its complexity and the simplicity of the laws that govern it.