If you're not failing occasionally, you're not pushing hard enough.
Learning is not a matter of trial and error, but of insight.
The most sustainable fashion is the piece you already own.
The world is so beautiful and regretful, you and I are all lone travelers from afar, constantly walking, regardless of everything, crying, laughing, lingering in the world, just to make this trip worthwhile.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。