神经系统是一个动态的、不断变化的系统。
The nervous system is a dynamic, ever-changing system.
Literature is the most effective weapon against fanaticism.
如果它不挑战你，它就不会改变你。
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
One never reaches home, but wherever friendly paths intersect the whole world looks like home for a time.
The world breaks everyone, and afterward, many are strong at the broken places.