The hardest part of designing a system is deciding what to build.
诚信是领导力的货币。
一个人能遭受的最痛苦的痛苦是洞察很多却无能为力。
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.