过去是一个陌生的国度；他们做事的方式不同。
The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of universal history.
Efficiency is doing things right; effectiveness is doing the right things.
凡是陽性必刚强，刚强一定光明，光明则容易了解。凡是陰性必柔弱，柔弱一定陰暗，陰暗则难以预测。
定义属于下定义的人，而不属于被定义的人。
If you want to fly, you have to give up the things that weigh you down.