There is nothing which a prudent man must shun more carefully than living with a view to popularity and giving serious thought to the things esteemed by the multitude, instead of making sound reason his guide of life, so that, even if he must gainsay all men and fall into disrepute and incur danger for the sake of what is honourable, he will in no wise choose to swerve from what has been recognized as right.

p. 429 - On Greek Literature