I always try to be the best, but it's not easy.
我总是尽力做到最好,但这并不容易。
理论物理学不仅仅是解决问题,更是要找到正确的问题去解决。
The past is a cupboard full of light and all you have to do is find the key that opens the door.
The past is a foreign country; they do things differently there.