爱不能被强迫，爱不能被哄骗和挑逗。它来自天堂，不请自来，不寻自至。
Sometimes the hardest thing and the right thing are the same.
You can have it all. Just not all at once.
A good mathematician is lazy, but in a constructive way.
真正的资本是人类的创造力，而不是金钱。