The only real happiness comes from squandering ourselves for a purpose.
唯一真正的快乐来自于为一个目的挥霍自己。
数学不是观赏性运动，你必须参与其中才能理解。
用户体验大于商业利益。
In the end, we will remember not the words of our enemies, but the silence of our friends.
"There are moments when the past feels so close you could reach out and touch it, and then it’s gone again, like smoke."
Retire into yourself and ask yourself this question: Must I write？ If the answer is yes， then you must keep writing.
伟大来自于相信自己，永不放弃。