True innovation comes from the pursuit of perfection in details.

动力学的方程在用变分法的语言表达时是完全的。

True innovation requires both creativity and discipline.

My mother always said...If you don't like where you are…just picture where you wanna be.

关键是享受过程，而不仅仅是结果。

购买旧书，它们的词与新词相同，也可以去图书馆。

I love to practice. When I'm not playing, I'm practicing.

I think singing is a way to vent emotions and express oneself.