Your judges then, are the Philosopher-King of Plato as opposed to corruptible representatives.
I'm afraid that mankind is too dedicated to Participatory modes of government to ever retreat to that playing field.
The real rule for that transitory opinion issue is to restore a widely understood sense of Deliberative Representation as opposed to pliebisitory representation. Burke's speach to the Electors at Bristol, etc. George Will has written some excellent discourse on that as well in Restoration
The more power collected in the Judiciary, the more that avarice and personal whim will alway overwhelm the pride and reputation checks in many holding the office.
As Hayek says above in a number of ways, the variety and complexity of the institutions and forms of law themselves aid in their ability to withstand corruption and personal will.