[47]
for those who are temperate by chance and not by principle may perchance be persuaded to change, but those who, besides being so inclined by nature, have formed the conviction that virtue is the greatest good in the world, will, it is evident, stand firm in this position all their lives.But the reason why I have spoken at some length both about myself and the other subjects which I have discussed is that I might leave you no excuse for not doing willingly and zealously whatever I counsel and command.

