问题的数学表述通常比其解决方案更重要，后者可能仅仅是数学或实验技巧的问题。
The main thing is to be moved, to love, to hope, to tremble, to live.
晏子春秋
The best way to predict the future is to create it.
过去总是紧张的，而未来是完美的。
The deepest insights in mathematics often come from the most abstract theories.
悲伤不是线性的。它不会整齐地从否认走向接受。