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。
"I'm always trying to push myself."
The truth is, we all suffer, but we suffer differently.
Mental life is a series of experiments in adaptation.
科学的进步不仅依赖于事实的积累，还依赖于知识的组织。