Choose the life that is most useful， and habit will make it the most agreeable.

The more personal you are, the more universal you become.

The key to global competitiveness is local innovation.

Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.

在热量下降过程中，动力显然随冷热物体之间的温差增大而增加。

释义：如果田地没成熟就收获，还不如不种；如果养育的孩子不学好，还不如没有。