I was so much older then, I'm younger than that now.
那时我老得多，现在我比那时年轻。
Never compromise on food safety—it’s the foundation of consumer trust.
数学的进步是通过概括实现的。
"We perceive not objects, but their utilities."
The best way to learn mathematics is to do mathematics.
I don’t want to be remembered. I want to be alive.
The essence of mathematics lies in its freedom.
我从事一项前无古人、后无来者的事业。我要把一个人的真实面目全部地展示在世人面前；此人便是我。