你的快乐不在于城市的七十个奇迹，而在于它对你的一个问题所给出的答案。

True wisdom is in knowing one's own ignorance.

The mind is a product of evolution and learning.

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

世界总是在为某人终结。

好的机制设计能将个人激励与社会目标对齐。