Fix reason firmly in her seat, and call to her tribunal every fact, every opinion. Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason, than that of blindfolded fear.
Thomas Jefferson

I never considered a difference of opinion in politics, in religion, in philosophy, as cause for withdrawing from a friend.
Thomas Jefferson

Errors of opinion may be tolerated where reason is left free to combat it.
Thomas Jefferson

Difference of opinion is advantageous in religion. The several sects perform the office of a Censor - over each other.
Thomas Jefferson

The good opinion of mankind, like the lever of Archimedes, with the given fulcrum, moves the world.
Thomas Jefferson

Confusion of goals and perfection of means seems, in my opinion, to characterize our age.
Albert Einstein

Public opinion in this country is everything.
Abraham Lincoln

There is no such thing as public opinion. There is only published opinion.
Winston Churchill

For me every ruler is alien that defies public opinion.
Mohandas Gandhi

He that is of the opinion money will do everything may well be suspected of doing everything for money.
Benjamin Franklin

The public is the only critic whose opinion is worth anything at all.
Mark Twain

Loyalty to petrified opinion never yet broke a chain or freed a human soul.
Mark Twain

It is not best that we should all think alike; it is a difference of opinion that makes horse races.
Mark Twain

The rule is perfect: in all matters of opinion our adversaries are insane.
Mark Twain

Too often we... enjoy the comfort of opinion without the discomfort of thought.
John F. Kennedy

One often contradicts an opinion when what is uncongenial is really the tone in which it was conveyed.
Friedrich Nietzsche

Those convinced against their will are of the same opinion still.
Dale Carnegie

Arguments are extremely vulgar, for everyone in good society holds exactly the same opinion.
Oscar Wilde

In all matters of opinion, our adversaries are insane.
Oscar Wilde

Public opinion is the thermometer a monarch should constantly consult.
Napoleon Bonaparte