One accurate measurement is worth a thousand expert opinions.

One accurate measurement is worth a thousand expert opinions.

Opinion has caused more trouble on this little earth than plagues or earthquakes.

Opinion has caused more trouble on this little earth than plagues or earthquakes.

Some men are just as sure of the truth of their opinions as are others of what they know.

Some men are just as sure of the truth of their opinions as are others of what they know.

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.

Men are only as loyal as their options.

Men are only as loyal as their options.

The man who never alters his opinion is like standing water, and breeds reptiles of the mind.

The man who never alters his opinion is like standing water, and breeds reptiles of the mind.

We should be eternally vigilant against attempts to check the expression of opinions that we loathe.

We should be eternally vigilant against attempts to check the expression of opinions that we loathe.

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 feeble tremble before opinion, the foolish defy it, the wise judge it, and the skillful direct it.

The feeble tremble before opinion, the foolish defy it, the wise judge it, and the skillful direct it.