Die Erinnerung ist das einzige Paradies, aus dem wir nicht vertrieben werden können.
The best mathematics is not just rigorous; it is also elegant.
经验是我们给错误取的另一个名字。
The man who has begun to live more seriously within begins to live more simply without.
天地相互配合，才产生了万物；阴阳相互结合，世界才会变化；行为合乎礼仪，天下才能安定。
The only way you are going to have success is to love what you are doing.
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.