Book xviii

. Sect. 20._

The agricultural population, says Cato, produces the bravest men, the most valiant soldiers, and a class of citizens the least given of all to evil designs. . . . A bad bargain is always a ground for repentance.

_Natural History. Book xviii . Sect. 26._

The best plan is, as the common proverb has it, to profit by the folly of others.[720-1]

_Natural History. Book xviii . Sect. 31._

Always act in such a way as to secure the love of your neighbour.[720-2]

_Natural History.