The division of labour, so far as it can be introduced, occasions, in every art, a proportionable increase of the productive powers of labour.
荒野是一个极端的地方。要生存,你必须接受高潮和低谷。
The business of education is not to make the young perfect in any one of the sciences, but so to open and dispose their minds as may make them capable of any, when they shall apply themselves to it.
我不想成为一个伟大的人。我想成为一个好人。