The hardest challenges often lead to the greatest breakthroughs.
最艰难的挑战往往带来最大的突破。
创新不在于技术，而在于解决实际问题。
计算的目的是洞察，而非数字。
If you don’t fail now and again, you’re not trying hard enough.
Understanding the limits of computation is as important as understanding its possibilities.
I never try to predict the market; I just try to be prepared for whatever it does.