Rigor in proof is what separates mathematics from all other sciences.

因此，教学艺术无非是时间、科目和方法的巧妙安排。

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.

Animal welfare isn't just ethical—it's a cornerstone of long-term profitability.

"The heart is a lonely hunter, and it will always be so."

Writing is learning to die, learning to give everything away.

"The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves."

Sustainability is not just about the environment; it's about creating lasting value for all stakeholders.