已所不欲，勿施于人。
Do not do to others what angers you if done to you by others.
The study of the mind must be based on direct observation.
The past is a shadow that clings to our heels.
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。