To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

不随客户需求而发展的企业很快就会被淘汰。

通信技术的创新应聚焦于解决现实问题。

白种人相信——全心全意地相信——他们有权夺取土地。