Argument, as usually managed, is the worst sort of conversation; as it is generally in books the worst sort of reading. Swift.

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

Argumentum ad crumenam—An appeal to self-interest.

Argumentum ad hominem—An argument in refutation drawn from an opponent's own principles (lit. an argument to the man).

Argumentum ad ignorantiam—An argument 60 founded on the ignorance of an adversary.

Argumentum ad invidiam—An argument which appeals to low passions.

Argumentum ad judicium—An appeal to common sense.

Argumentum ad misericordiam—An appeal to the mercy of your adversary.

Argumentum ad populum—An appeal to popular prejudice.

Argumentum ad verecundiam—An appeal to 65 respect for some authority.