He knows the price of everything and the value of nothing.
More Irish Proverbs:
His face would hang him.Irish
A dog owns nothing, yet is seldom dissatisfied.
Irish
Soft words butter no parsnips, but they won't harden the heart of the cabbage either.
Irish
Praise the ford when you have crossed it.
Irish
A kind word never broke anyone's mouth.
Irish
Though the proverb is abandoned, it is not falsified.
Irish