A clean slate. [Tabula rasa.]
More Latin Proverbs:
The highest seat will not hold more than one.Latin
In forming new friendships, forget not old friends.
Latin
Bright enough in the dark, dull in time of day. [Learned in what is of no use, ignorant of everything at all available.]
Latin
Neglect will sooner kill an injury than revenge.
Latin
They understand each other, like thieves at a fair.
Latin
There is a skeleton in every house.
Latin