They may then be willing to cast principled votes based on an educated understanding of the public interest in the face of polls suggesting that the public itself may have quite a different understanding of where its interest lies.
Info: A proverb is a simple and concrete saying, popularly known and repeated, that expresses a truth based on common sense or experience. They are often metaphorical. A proverb that describes a basic rule of conduct may also be known as a maxim.