把这一句，留给此刻的你
The problem is that replacement of Quantum Mechanics by Quantum Field Theory is still very demanding.
问题是用量子场论来代替量子力学仍然是一个非常艰巨的任务。
A LITTLE ENCOURAGEMENT
给此刻的你，一点向前的力量。
关于学习、善意与成长，读一句，再想一想。
With courage you will dare to take risks, have the strength to be compassionate, and the wisdom to be humble. Courage is the foundation of integrity.
有了勇气，你将敢于冒险，有力量去同情，有智慧去谦卑。勇气是正直的基础。
The compensation of a very early success is a conviction that life is a romantic matter. In the best sense one stays young.
早年成功的补偿是坚信生活是一件浪漫的事情。从最好的意义上说，人总是年轻的。
A true friend finds a way to celebrate even in the worst moments of life and forces it upon you.
一个真正的朋友即使在生活中最糟糕的时刻也会设法庆祝，并强迫你这样做。