乳制品养殖既是一门艺术，也是一门科学——要尊重两者。

"Maybe you can afford to wait. Maybe for you there’s a tomorrow. Maybe for you there’s one thousand tomorrows, or three thousand, or ten, so much time you can bathe in it, roll around it, let it slide like coins through your fingers. So much time you can waste it. But for some of us there’s only today. And the truth is, you never really know."

技术推动天文学的进步，更好的仪器带来更深刻的见解。

在数学中，提出问题的艺术必须比解决问题更有价值。