The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
When people are confronted with a problem, they often try to solve it by breaking it down into smaller parts. But sometimes, the solution lies in seeing the problem as a whole.
Don't let anyone tell you that you can't do something.