Let bygones be bygones.
More Traditional Proverbs:
A hog in armor is still a hog.Traditional
As much use as a yard of pump water.
Traditional
Stubborn as a mule.
Traditional
He who wills, can.
Traditional
We all end up in a single bed sooner or later.
Traditional
As is the human body, so is the cosmic body. As is the human mind, so is the cosmic mind. As is the microcosm, so is the macrocosm. As is the atom, so is the universe.
Traditional