Success comes when you focus on doing the right things, not just doing things right.
We live in a world of shadows, and what we call reality is only the shadow of a shadow.
The tragedy of life is not that the beautiful things die young, but that they grow old and mean.
你得先学会爬才能走,先学会走才能跑。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'