such as mankind were better acquainted with, than the agency of the gods. As those great phenomena are the first objects of human curiosity, so the science which pretends to explain them must naturally have been the first branch of philosophy that was cultivated. The first philosophers, accordingly, of whom history has preserved any account, appear to have been natural philosophers.

In every age and country of the world men must have attended to the characters, designs, and actions of one another, and many reputable rules and maxims for the conduct of human life must have been laid down and approved of by common consent.

As soon as writing came into fashion, wise men, or those who fancied themselves such, would naturally endeavour to increase the number of those established and respected