Pigs might fly lest they had wings.
More English Proverbs:
Marry in lent, and you'll learn to repent.English
The old should not be overfed.
English
Ye maun spoil or ye spin.
English
Worrying is like sitting in a rocking chair. It gives you something to do but it doesn't get you anywhere.
English
Better never to begin than never to make an end.
English
Who is so deaf or so blind as he that willfully will neither hear nor see?
English