忙碌的人没有时间流泪

过去从未消逝，它甚至从未过去。

可持续发展不是目的地，而是需要持续改进和创新的旅程。

The best way to measure how much you've grown isn't by inches or the number of laps you can now run around the track, or even your grade point average - though those things are important, to be sure.It's what you've done with your time, how you've chosen to spend your days, and whom you've touched this year. That, to me, is the greatest measure of success.

Art is my escape and my prison.

在数学中，最深刻的思想往往源于最简单的观察。