Be a good ancestor. Do something a future generation will thank you for. A simple thing is to plant a tree.

The only thing that can stop you is you.

有时候最简单的想法是最有力的。

Happiness is holding someone in your arms and knowing you hold the whole world.

思维法则是所有精确推理的基础。

勇敢是一种德行，不仅在战斗中，在生活中的各个方面都需要勇敢。