书籍可以是镜子、窗户和滑动玻璃门。

扩展程序的最好方法是扩展它。

Every stitch tells a story. Make sure yours is worth telling.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

正因为我是你妈妈说话才最算数，因为我最了解你。

每个圣人都有过去，每个罪人都有未来。