Agreement leaves us inactive, whereas contradiction makes us productive.

Agreement is due only to universal misunderstanding. If, by some misfortune, we understood each other, we would never agree.

Agreement is a dangerous sign — the fellow that agrees with everything you say is either a fool or he is getting ready to skin you.

Agreement is generally misperceived as wisdom — if you want people to think you wise, just agree with them.

An Apology is never sufficient — A wound is not cured by the unbending of the bow.

Apology is, on some occasions, nothing but rudeness.

Apology is only egotism wrong side out.

An Apology only accounts for that which it does not alter.

An Argument is not won by being argumentative — A fire is not extinguished by fire.

Argument is like an arrow from a cross-bow, which has equal force though shot by a child.

Argument is like an arrow from a cross-bow, which has great force though shot by a child.

The Argument is a detestible thing — They are always vulgar, and often convincing.