心理学必须关注心理操作的实用性。

感谢上帝，根据我们的宪法，教会和国家之间没有联系。

理论物理对于实验物理学家，就像和声理论对于作曲家一样。

沉默和我们所说的话一样重要。

If we want to feed the world, we must invest in smarter ways to raise livestock.

Every moment is a fresh beginning.

物理学的美丽在于它能够用简单的原理描述复杂的事物。

每把锁都有钥匙，每个问题都有解决方案。

Before a dream is realized, the Soul of the World tests everything that was learned along the way. It does this not because it is evil, but so that we can, in addition to realizing our dreams, master the lessons we've learned as we've moved toward that dream. That's the point at which most people give up. It's the point at which, as we say in the language of the desert, one 'dies of thirst just when the palm trees have appeared on the horizon.'

真正的冒险不是在地理上的探索，而是在心灵深处的旅程。