Four horses cannot overtake the tongue.
Misfortune is not that which can be avoided, but that which cannot.
One cannot make soup out of beauty.
Who can't pretend cannot govern.
You cannot clear fog with a fan.
You cannot make a hawk of a buzzard.
Knowledge is like a garden: if it is not cultivated, it cannot be harvested.
You cannot hang a man twice.
A single finger cannot catch fleas.
The dying cannot leave their wisdom or experience to their heirs.
You cannot strike a face that is smiling.
You cannot worship an unknown saint.
The rat cannot call the cat to account.
That which leaks cannot stay full.
Kiss the hand that you cannot bite.
You cannot write in the chimney with charcoal.
Pregnancy and fire cannot be kept secret.
The tip of a finger cannot be touched by itself.
One cannot blow and swallow at the same time.
A mill cannot grind with the water that is past.
You cannot be lost on a road that is straight.