It takes a strong man to save himself, and a great man to save another.
心有自己的地理，自己的天气。
The process of solving a mathematical problem is often more important than the solution itself.
建筑业必须进化，否则就有被淘汰的风险。
One ought never to turn one's back on a threatened danger and try to run away from it. If you do that, you will double the danger. But if you meet it promptly and without flinching, you will reduce the danger by half.
