Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
道法自然,顺应自然即是遵循道。
Strength does not come from physical capacity. It comes from an indomitable will.
The artist must learn to see, to observe, to feel, and to think.
【译文】 孔子说:“生来就知道的,是上等人;学习后才知道的,是二等人;遇到困难才学习的,是三等人;遇到困难也不学习的,这就是下等人了。”