逻辑学研究不仅仅是关于规则,更是关于理解思维的结构。
Time erodes all such beauty, but what it cannot diminish… is the wonderful workings of your mind. Your humor, your kindness… and your moral courage.
"Every place has its secrets, if you know how to look."
Every man is guilty of all the good he did not do.
使用程序证明四色定理不会改变数学-它只是表明该定理是一个世纪的挑战,对数学可能并不重要。
The application scenarios of drones far exceed our imagination.