今天种下的每一棵树都是对明天的承诺。
I wish I could write as mysterious as a cat.
你必须相信自己，即使别人不相信你。
The more constraints you have, the more creative you become.
最大的力量不在于控制他人，而在于理解他们。
The art of progress is to preserve order amid change and to preserve change amid order.
The poor dream all their lives of getting enough to eat and looking like the rich. And what do the rich dream of? Losing weight and looking like the poor.
光波，无论是以太波还是其他波，在所有情况下都是时间上的周期性过程。