Literature is the expression of a feeling of deprivation, a recourse against a sense of something missing.

数学直觉常常指导算法的发展，但确保其正确性和效率的是严格的证明。

变化是不可避免的，但成长是可选的。

In the end, all we have are the stories we tell.

The poor are often forced to make choices that no one should have to make.