What man actually needs is not a tensionless state but rather the striving and struggling for some goal worthy of him.

Because I'm your mom, it counts the most because I know you the most.

Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.

数学的力量在于其抽象和概括的能力。

If you feel lonely, it's because you're not alone with yourself enough.

I believe that a truly talented person will not be buried.

追求知识是一段永无止境的旅程，充满了挑战和胜利。