XXI. "I should be sure," replies he, "that the sun and the moon wished to do us good, if they were able to refuse to do so; but they cannot help moving as they do. In short, let them stop and discontinue their work."
See now, in how many ways this argument may be refuted. One who cannot refuse to do a thing may nevertheless wish to do it; indeed there is no greater proof of a fixed desire to do anything, than not to be able to alter one's determination. A good man cannot leave undone what he does: for unless he does it he will not be a good man. Is a good man, then, not able to bestow a benefit, because he does what he ought to do, and is not able not to do what he ought to do? Besides this, it makes a great difference whether you say, "He is not able not to do this, because he is forced
