Logic is like the sword -- those who appeal to it, shall perish by it.
~ Samuel Butler

Logic is a poor guide compared with custom.
~ Winston Churchill

The mind has its own logic but does not often let others in on it.
~ Bernard Devoto

Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.
~ John Dewey

From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.
~ Sir Arthur Conan Doyle

Logic, like whiskey, loses its beneficial effect when taken in too large quantities.
~ Lord Dunsany

Reason can wrestle and overthrow terror.
~ Euripides

The much vaunted male logic isn't logical, because they display prejudices -- against half the human race -- that are considered prejudices according to any dictionary definition.
~ Eva Figes

Logic! Good gracious! What rubbish! How can I tell what I think till I see what I say?
~ Edward M. Forster

Men are apt to mistake the strength of their feeling for the strength of their argument. The heated mind resents the chill touch and relentless scrutiny of logic.
~ William E. Gladstone

Logic works, metaphysics contemplates.
~ Joseph Joubert

Logic is the anatomy of thought.
~ John Locke

Reason also is choice.
~ John Milton

The fact that logic cannot satisfy us awakens an almost insatiable hunger for the irrational.
~ A. N. Wilson

Logic takes care of itself; all we have to do is to look and see how it does it.
~ Ludwig Wittgenstein

The logic of the world is prior to all truth and falsehood.
~ Ludwig Wittgenstein