数学中最深刻的思想往往源于最简单的观察。
The most profound ideas in mathematics often arise from the simplest observations.
"The only thing we can be sure of about the future is that it will be different."
你无法改变过去，但可以从中吸取教训。
The true value of architecture is measured by the joy it brings to people's lives.
抗战将是漫长而艰苦的，但我们的事业是正义的，我们必将胜利。
农民的智慧往往比最新技术更持久。
