It is safer to learn than teach; and who conceals his opinion has nothing to answer for.

Truth is one forever absolute, but opinion is truth filtered through the moods, the blood, the disposition of the spectator.

Refusing to have an opinion is a way of having one, isn't it?

To observations which ourselves we make, We grow more partial for th' observer's sake.

To reign by opinion, begin by trampling it under your feet.

The sentiments of an adult are compounded of a kernal of instinct surrounded by a vast husk of education.

If a man would register all his opinions upon love, politics, religion, learning, etc., beginning from his youth, and so go to old age, what a bundle of inconsistencies and contradictions would appear at last!

Men seldom take the opinion of their equal, or of a man like themselves, upon trust.

It were not best that we should all think alike; it is difference of opinion that makes horse-races.

Opinion is called the queen of the world; it is so, for when reason opposes it, it is condemned to death. It must rise twenty times from its ashes to gradually drive away the usurper.