The desire for imaginary benefits often involves the loss of present blessings.
A man is known by the company he keeps
He that is discontented in one place will seldom be happy in another.
Don't kill the goose that lays the golden egg.
If you don't want to lose, you should wait for the right opportunity
There are many statues of men slaying lions, but if only the lions were sculptors there might be quite a different set of statues.