痛苦的源头是无知。
The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.
文字的力量不在于它们的意义,而在于它们唤起情感的能力。
我认为最好的学习方法就是实践。
未来は、過去の積み重ねでできている。
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.