最好的数学不仅正确，而且具有启发性。

灵感是一位不愿拜访懒人的客人。

The important thing is not to stop questioning. Curiosity has its own reason for existing.

效率是把事情做对；效能是做对的事情。

Success in business comes from understanding the customer better than anyone else.

The best fertilizer is the farmer's shadow—nothing replaces presence and attention in the fields.