Making Cases

https://commons.wikimedia.org/wiki/File:Vinci,_Leonardo_da_-_Crossbow_sketch_-_1500.jpg

Testimony is like an arrow shot from a longbow; the force of it depends on the strength of the hand that draws it.

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

— Robert Boyle, paraphrased by Samuel Johnson