如果你想在数学上取得进步，你必须习惯于不舒服。

How can our great society tolerate the continued brutalization of its citizens by crazed misfits? Criminals must be told that their CIVIL LIBERTIES END WHEN AN ATTACK ON OUR SAFETY BEGINS!

晏子春秋

"Every setback is a setup for a comeback."

引力波的发现为宇宙打开了一扇新的窗户。

跨行业合作是解决世界上最严峻挑战的关键。