calls it,

Morum Comitas

, a Pleasantness of Temper

[7]

. If I were to give my Opinion upon such an exhausted Subject, I should join to these other Qualifications a certain.Æquability or Evenness of Behaviour. A Man often contracts a Friendship with one whom perhaps he does not find out till after a Year's Conversation; when on a sudden some latent ill Humour breaks out upon him, which he never discovered or suspected at his first entering into an Intimacy with him. There are several Persons who in some certain Periods of their Lives are inexpressibly agreeable, and in others as odious and detestable.

Martial

has given us a very pretty Picture of one of this Species in the following Epigram:

Difficilis, facilis, jucundus, acerbus es idem,
Nec tecum possum vivere, nec sine te.

In all thy Humours, whether grave or mellow,
Thou'rt such a touchy, testy, pleasant Fellow;
Hast so much Wit, and Mirth, and Spleen about thee,
There is no living with thee, nor without thee.

It is very unlucky for a Man to be entangled in a Friendship with one, who by these Changes and Vicissitudes of Humour is sometimes amiable and sometimes odious: And as most Men are at some Times in an admirable Frame and Disposition of Mind, it should be one of the greatest Tasks of Wisdom to keep our selves well when we are so, and never to go out of that which is the agreeable Part of our Character.

C.