Design is not just what it looks like and feels like. Design is how it works.
Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.
数学不是一项观赏性运动。你必须亲自去做才能理解它。
The key to successful investing is to have a clear understanding of the risks and rewards and a disciplined approach.
Life is infinitely stranger than anything which the mind of man could invent.
河流不抗拒石头,它绕过它们,教会我们适应性的智慧。