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.
真正的智慧在于承认自己的无知。
The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.
Every ton of ore we extract carries with it a responsibility to the future.
我们现在看到的最错误的想法便是以为身体活动就只是身体活动而已，以为它不具有更高层次的功能，其实，心智的发展必然和身体动作相配合，而且是相互依赖存在的。
我了解到我的痛苦可以成为我的力量。
The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.