Time and the hour are not to be tied with a rope.
More Portuguese Proverbs:
An honest man's word is as good as the king's.Portuguese
Good wind needs no bush.
Portuguese
The mother-in-law does not remember that she was once a daughter-in-law.
Portuguese
Saints don't fill the belly.
Portuguese
To be slow in giving ant to refuse, are alike.
Portuguese
Taking out without putting in, soon comes to the bottom.
Portuguese