理论和实践的区别在于,理论上,理论和实践没有区别,但在实践中,却有区别。
I want to liberate America from fear. I want people to be afraid of the things that are really scary, like war and famine, not their neighbor because he has a different religion.
世界上充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。
The study of L-functions is a reflection of the unity of mathematical knowledge.