The art of doing mathematics consists in finding that special case which contains all the germs of generality.

科学成功的关键在于合作和分享知识。

释义：根据收入来安排支出，节俭持家。这句话强调理财的基本原则。

Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.

You're going to pay a price for every bloody thing you do and everything you don't do. You don't get to choose to not pay a price. You get to choose which poison you're going to take. That's it.