出自北齐·颜之推《颜氏家训·勉学》。不得，不能、不可。雌黄，矿物名，可作颜料，古代用以涂改文字，后引申为信口更改、随便乱说。没有读够一定数量的书，对前人的见解没有彻底了解，是不能随便乱下结论、乱发议论的。书要多读、话要谨慎；应当谦虚向学，不可妄自尊大。

Technology should serve sustainability, not the other way around.

Overfishing is a theft from future generations—we must be the generation that stops it.

In string theory, all particles are vibrations of a tiny supersymmetric string.

沉默越深，内心的声音就越响亮。

投资于低排放技术不仅对地球有益，也具有良好的商业意义。

I'm not a perfectionist, but I like to feel that things are done well.

I want you to find your own walk right now. Your own way of striding, pacing. Any direction. Anything you want. Whether it's proud, whether it's silly, anything.

The pursuit of happiness is not selfish—it’s essential for a meaningful life.