For having lived long, I have experienced many instances of being obliged, by better information or fuller consideration, to change read more

For having lived long, I have experienced many instances of being obliged, by better information or fuller consideration, to change opinions, even on important subjects, which I once thought right but found to be otherwise.

It requires ages to destroy a popular opinion

It requires ages to destroy a popular opinion

We probably wouldn't worry about what people think of us if we could know how seldom they do.

We probably wouldn't worry about what people think of us if we could know how seldom they do.

And it's my opinion, and that's only my opinion, you are a lunatic. Just because there are a few hundred read more

And it's my opinion, and that's only my opinion, you are a lunatic. Just because there are a few hundred other people sharing your lunacy with you does not make you any saner. Doomed, eh?

Private opinion is weak, but public opinion is almost omnipotent.

Private opinion is weak, but public opinion is almost omnipotent.

A man is getting along on the road to wisdom when he begins to realize that his opinion is just read more

A man is getting along on the road to wisdom when he begins to realize that his opinion is just an opinion.

We have no right to express an opinion until we know all of the answers.

We have no right to express an opinion until we know all of the answers.

This is the test of your manhood: How much is there left in you after you have lost everything outside read more

This is the test of your manhood: How much is there left in you after you have lost everything outside of yourself?

The peculiar evil of silencing the expression of an opinion is that it is robbing the human race; posterity as read more

The peculiar evil of silencing the expression of an opinion is that it is robbing the human race; posterity as well as the existing generation; those who dissent from the opinion, still more than those who hold it. If the opinion is right, they are deprived of the opportunity of exchanging error for truth: if wrong, they lose, what is almost as great a benefit, the clearer perception and livelier impression of truth, produced by its collision with error.