The Erdős discrepancy problem fascinated me because it was so simple to state yet so deep in its implications.

如果谋虑不到，那么就根据过去推知未来（主要强调凭借经验），根据明显的事推知隐微的事。像这样谋虑，那么所谋必得（成功）。

In business, the competition will bite you if you keep running; if you stand still, they will swallow you.

To have a confident attitude, please learn to learn you do not have to learn the knowledge.