优化是在给定约束条件下做出最佳选择的艺术。
记忆是一种成就,甚至是一种更新。
书籍可能是危险的。最好的书应该贴上“这可能会改变你的生活”的标签。
You wanna fly, you got to give up the shit that weighs you down.
If you don't give up, you still have a chance. Giving up is the greatest failure.