We can never be sure that the opinion we are endeavouring to stifle is a false opinion; and even if we were sure, stifling it would be an evil still. John Stuart Mill
We have a right, also, in various ways, to act upon our unfavorable opinion of anyone, not to the oppression of his individuality, but in the exercise of ours. John Stuart Mill
I think it's one of the scars in our culture that we have too high an opinion of ourselves. We align ourselves with the angels instead of the higher primates. Angela Carter
There is a power in public opinion in this country - and I thank God for it: for it is the most honest and best of all powers - which will not tolerate an incompetent or unworthy man to hold in his weak or wicked hands the lives and fortunes of his fellow-citizens. Martin Van Buren
It is to recompense you for any inconvenience that we are paying to you, a young and unknown man, a fee which would buy an opinion from the very heads of your profession.
It is pure illusion to think that an opinion that passes down from century to century, from generation to generation, may not be entirely false.
Pierre Bayle
The great and unlooked for discoveries that have taken place of late years have all concurred to lead many men into the opinion that we were touching on a period big with the most important changes. Thomas Malthus
Public opinion is a permeating influence, and it exacts obedience to itself; it requires us to drink other men's thoughts, to speak other men's words, to follow other men's habits. Walter Bagehot
The President is of opinion that if Japan makes a treaty with the United States, all other foreign countries will make the same kind of a treaty, and Japan will be safe thereafter. Townsend Harris