我坚信，自我教育是唯一存在的教育类型。

I think it's important to be able to laugh at yourself.

The best weapon against an enemy is another enemy.

Efficiency is highly overrated； Goofing off is highly underrated. Regularly scheduled sabbaths， sabbaticals， vacations， breaks， aimless walks and time off are essential for top performance of any kind. The best work ethic requires a good rest ethic.

记忆是我们随身携带的日记。

The old believe everything, the middle-aged suspect everything, the young know everything.

Only those who will risk going too far can possibly find out how far one can go.