Sustainability isn't an option; it's our responsibility to future generations.

在认识到热是运动的一种形式后，没有人会怀疑热可以转化为机械效应。

"I want to create books that are experienced, not just read."

爱就是爱去爱爱。

数学的语言是普遍的，超越了文化和语言的障碍。