The camera sees geometrically. We don't.
The more difficult the victory, the greater the happiness in winning.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.
每一天都是新的机会。
It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is most adaptable to change.