迷宫中的老鼠可以自由地去任何地方,只要它待在迷宫里。
A rat in a maze is free to go anywhere, as long as it stays inside the maze.
我已经履行了我的职责。我证明了庞加莱猜想,我在数学上没有什么可做的了。
Happiness is holding someone in your arms and knowing you hold the whole world.
I’m not afraid of failure. I’m afraid of not trying.