Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
机器人是一种被编程执行多种任务的设备,并且可以重新编程以执行其他任务。
The patient must always be at the center of everything we do.
有时候最勇敢的事就是在一切似乎都失去时继续前进。
Think wrongly, if you please, but in all cases, think for yourself.
The earth is a dot. The moon is a dot. The sun is a dot. The stars are dots.