对一切数据进行冗余备份，至少要有一个物理硬盘备份和一个云端备份。每个备份都要多于一个。想想要是你弄丢了所有数据、照片、笔记，得花多少钱来找回它们？与遗憾相比，备份很便宜。

任何有机体最难做的事情就是观察自己。

"Every idea has a motor consequence."

"When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become."

Success is the best revenge for anybody that ever doubted you.

大脑是一个并行处理器，能够同时处理多个信息流。