Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
"A good line of poetry should surprise you twice: when you write it and when you read it."
伟大的事情从来不会来自舒适区。
Win-win cooperation is not a slogan, but the only way for global infrastructure development.
没有什么目标是高不可攀的,但人必须小心而自信地攀登。
The more you know, the less you need.