People believe in God because the world is very complicated and they think it is very unlikely that anything as complicated as a flying squirrel or the human eye or a brain could happen by chance.

每一次成功只是为更困难的问题买了一张入场券。

To write is to explore the boundaries of the possible.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

To one who has faith， no explanation is necessary.To one without faith， no explanation is possible.

预测未来最可靠的方法就是理解现在。