Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.

The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

数学的历史是人类好奇心和创造力的历史。

我们必须倾听科学，也要倾听社区——真正的解决方案存在于数据和人类需求的交叉点。