理解计算的极限与理解其可能性同样重要。
Understanding the limits of computation is as important as understanding its possibilities.
投资不应该是容易的。如果有人觉得它很容易，那么这个人一定很愚蠢。
Efficiency without ethics is short-term success.
我们总是在寻找答案，但有时问题本身就是答案。