The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

刚的东西容易折断，柔的东西因为可以卷曲所以不易折断。

Laughter and tears are both responses to frustration and exhaustion. I myself prefer to laugh, since there is less cleaning up to do afterward.

坚持梦想，永不放弃，总有一天会成功。

"A book is a mirror: if an ape looks into it, an apostle is unlikely to look out."

The quality of the product is the dignity of the enterprise.

有时候要大胆，有时候要小心，一个聪明人知道什么时候该怎么做。

The future of energy lies in the integration of traditional and renewable sources. We must adapt and lead this transition.

生命的历史是创新的历史。