Life's not all beer and skittles Link to proverb.
The apple never falls far from the tree Link to proverb.
A chain is only as strong as its weakest link Link to proverb.
Hold with the hare and run with the hounds - You can't.
You can't judge a book by its cover.
Out of sight, out of mind Link to proverb.
The rich get richer and the poor get poorer Link to proverb.