元素若按其原子量排列，会呈现出性质的周期性。

Never stop learning because the world never stops changing.

The most important step in emancipating oneself from social controls is the ability to find rewards in the events of each moment.

The best architecture emerges from constraints.

释义：不考虑在安逸的环境中要想到危难，用节俭来戒除奢侈，不使自己的道德处于深厚的境界，不能使自己的情欲战胜物质欲望，这就像砍伐树木的根却想要树木长得茂盛，堵塞水的源头却想要水流得长远一样荒谬。