预测未来的最好方法就是创造未来。

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

When you live for others' opinions, you are dead.

"We are all in the gutter, but some of us are looking at the stars."

The beauty of mathematics is that it allows us to abstract away the complexities of the real world and focus on the underlying principles.