If you do what you've always done, you'll get what you've always gotten.
Program testing can be used to show the presence of bugs, but never to show their absence!
"You can't control everything. Sometimes you just need to relax and have faith that things will work out. Let go a little and just let life happen."
对心灵的研究就是对生活应对机制的研究。
The best way to cheer yourself up is to try to cheer somebody else up.