You can’t make a good shaft of a pig’s tail.
More Portuguese Proverbs:
Think of many things, do only one.Portuguese
Let him eat the tough morsel who eat the tender.
Portuguese
He loves well who never forgets.
Portuguese
The lame goat does not take a siesta.
Portuguese
The hen's eyes turn to where she has her eggs.
Portuguese
There's no catching trouts with dry breeches.
Portuguese