That’s a whole new can of worms.
Proverb Quotes
Turn over a new leaf.
Break new ground.
Out with the old, in with the new.
A new broom sweeps clean.
The grass is always greener on the other side of the fence.
Don’t throw away the old bucket until you know whether the new one holds water.
When the cows come home.
Never do anything standing that you can do sitting, or anything sitting that you can do lying down.
Never take the antidote before the poison.