The strongest cannot always be strong enough to be master, unless he can turn the power into the right and the duty of obedience.
最强者也不能总是强大得足以永远作主人，除非他能把力量转化为权利和服从的义务。
一本好书应该让你在读完时略感疲惫。你在阅读时已经活了好几辈子。
The mind is not a passive recipient of sensory information but an active participant in the process of perception.
You are your best thing.
利润和可持续性并不是敌人，而是长期成功的合作伙伴。