心神应该保持平静稳定，骨力应该保持活动锻炼，胸怀应该保持宽广豁达，筋骨应该保持坚强硬朗，脊梁应该保持端正平直，肠胃应该保持素淡洁净，舌端应该保持谨慎寡言，脚跟应该保持坚定不移，耳目应该保持聪明朗洁，精神应该保持正直无邪。

I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.

Singing has taught me how to face failure and success.

每一天都是比昨天更好的机会。