The principle of least action is a unifying principle for all of physics.
最小作用量原理是物理学的一个统一原理。
心智就是大脑的运作。
I want to run a good race, to run a good time, and to enjoy it.
Sustainability isn't a trend—it's a responsibility. The dairy sector must lead in environmental stewardship.
我比我想象的更坚强。
有时候，邪恶的人会告诉我们一些事情，只是为了迷惑我们——在我们面对他们之后，长久地困扰我们的思想。
文学是语言的艺术，而语言是思想的工具。
The structure of DNA was a puzzle that demanded to be solved.