In mathematics, the journey from confusion to clarity is the most rewarding experience.

记忆是一件奇怪的事情。它不像我想象的那样运作。我们不是要记住一切，而是要忘记，继续前进。

My past doesn't define me, it refines me.

发出履行性陈述并不是在做陈述，因此履行性陈述的发言既不真实也不虚假。