A penny in the purse is a gude friend.
A penny in the purse is better than a crown awa.
A pennyweight o' love is worth a pound o' law.
A pickle's no miss'd in a mickle.
A poll parrot thinks weel o' itsel.
A poor man is fain o' little.
A poor man's debt maks muckle din.
A pound o' care winna pay an ounce o' debt.
Care here means sorrow, or trouble of mind, and must not be associated with care in the sense of frugality or economy, which has paid many an ounce of debt.