永遠不要讓恐懼阻止你追求夢想。
物理學(xué)的美麗在于它能夠用幾個簡單的原理解釋宇宙。
The best time to plant a tree was twenty years ago. The second best time is now.
That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
互聯(lián)網(wǎng)的架構(gòu)設(shè)計為開放和靈活，允許持續(xù)進化。