有人问我什么是幸福，我回答说：不奢求非必需之物。
Someone asked me what happiness is; I replied, not pursuing unnecessary things.
Life is a balance between what we can control and what we cannot. I am learning to live between effort and surrender.
一个力学问题只有被简化为代数问题时才算解决。
我们拥有的最伟大工具是我们心灵的力量。
创作的行为是一种启示的行为。