The version of the quote I've heard has "from time to time" at the end of it. With more context: > Many forms of Government have been tried and will be tried

The version of the quote I've heard has "from time to time" at the end of it. With more context: > Many forms of Government have been tried and will be tried in this world of sin and woe. No one pretends that democracy is perfect or all-wise. Indeed, it has been said that democracy is the worst form of government except all those other forms that have been tried from time to time.