感恩是一种简单的实践，可以对你的幸福感产生深远的影响。
Gratitude is a simple practice that can have profound effects on your well-being.
The essence of mathematics lies in its power to reveal patterns and symmetries.
【译文】小事守信可建大信誉，明君积累诚信治国。
Why should a dog, a horse, a rat, have life, and thou no breath at all?
人工智能中最重要的技能是学习的能力。
常识告诉我们，业绩来来去去，但成本永远存在。
