It takes considerable knowledge just to realize the extent of your own ignorance.
Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.
The past is not dead; it is not even past.
A vaincre sans peril, on triomphe sans gloire.
定言命令只有一条,那就是:要只按照你同时能够愿意它成为一条普遍法则的那个准则去行动。
The greatest gift you can give someone is your time.