The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.

挑战是伪装的机会；用勇气和智慧拥抱它们。

The internet is not just a technology, it's a way of thinking.

译文：不装聋作哑、不装傻充愣，就当不了别人的公公、婆婆。