宇宙不仅比我们想象的更奇怪，而且比我们能够想象的更奇怪。
The universe is not only stranger than we imagine, it is stranger than we can imagine.
Life is a training for the soul.
生活中没有什么事情像你在思考它时认为的那么重要。
The will to learn is an intrinsic motive, one that finds both its source and its reward in its own exercise.
【释义】贤能的人处世，会根据时代的变化而调整自己的行为。