Must we add to this that a friend should not be to like to blame his friend to give credence to accusations that it is made by others; however important for the steadfastness, subject to which I will develop further. Thus is confirmed what I said at the beginning, that there can be no friendship than between the good. Indeed, it is a feature of the human good, which we can call and wise, to observe these two rules of friendship:

- First there is in it no trace of falsehood;
- Secondly, not only to reject unjust accusations brought by someone, but even he is not suspicious.

Here a question arises harder if sometimes must prefer Friendship worthy friends, old ones. New friends but if we are to hope, just as misleading plants that will bear fruit, it must be rejected or they still have old ones to keep ...