数学的美在于它简化复杂问题的能力。
The beauty of mathematics lies in its ability to simplify complex problems.
Our approach is to observe carefully before acting.
Ah, but a man's reach should exceed his grasp, or what's a heaven for?
Psychological truth is what works in the practical world.
数学的研究就像空气或重力——它无处不在,即使你看不到它。
Your past does not define your future.