When people learn the requisite skills, train in them, and practice them before ever meeting the enemy, that instruction will, when the encounter finally comes, find them able to overcome their foe and prepared to face him. Each of the racers or archers wants to defeat his counterpart just as a fighter wants to defeat his opponent; he studies how to prevail over his companion in order (1) to prevail over his enemy.
The same holds true for the dialectic (2) conducted by scholarly disputants: each puts to his colleague objections (3), counter-arguments, and various questions that unsettle the other’s reply, all so that the truth of the matter may be uncovered. Then, if a purveyor of falsehood later debates him, he is ready to engage because of the experience he has already gained from disputing with his peer (4).
Scholarly disputation, therefore, is of two kinds. One is an exercise (5) and training in presenting proofs and dispelling doubts. The other is for upholding the truth and breaking (6) falsehood. The first is analogous to racing and archery, while the second is akin to jihad and combat—