The only limits that exist are the ones you place on yourself.

The greatest glory in living lies not in never falling, but in rising every time we fall.

最多人的最大幸福是衡量对与错的标准。

量入为出，储蓄投资。学习你需要学习的东西。

最好的传记是那些让读者感觉亲自遇见了传主的作品。

The brain is a kind of computer.

The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.