Augustine's Restless Heart

Augustine ran an experiment on himself that anyone can repeat. Command your arm to rise. It rises, instantly, without negotiation. Now command yourself to want something you are certain you should want. Watch what happens.

The body obeys at once. The will does not obey itself. Augustine found this genuinely shocking, and the conclusion he drew from it changed how the West thinks about persons: the will is not one thing issuing orders, it is something divided against itself. Part of you commands and part of you refuses, and both parts are you.

This is a direct rejection of the Socratic position that knowing the good is sufficient for doing it. Augustine had done wrong knowing exactly what he was doing, and no story about ignorance fitted the facts. He needed a different account, and the divided will is it.

He arrives at it through a very small event that he gives an unreasonable amount of space to. As a boy he stole pears from a neighbour's tree. He did not want the pears. He was not hungry, they were not good pears, and he threw them to pigs. So what was the motive? There was none, except the wrongness itself. That is precisely what his inherited theory could not explain, and this is why the trivial theft gets pages: it is a counterexample that broke his model.

The model it broke was Manichaeism, which he had followed for around nine years. It explained evil as an independent cosmic power, a substance at war with good. The attraction is obvious, since it makes evil somebody else's material. The problem is that it requires two ultimate principles, and Augustine came to think that incoherent.

His replacement is the privation theory: evil is not a substance but the absence of a good that should be present. Blindness is not a thing that was manufactured and installed; it is sight missing. Corruption is not an addition but a falling away. On this account evil is entirely real and entirely destructive without being an entity, which means a good creator did not have to make it. The dualism becomes unnecessary.

The standard objection is worth putting bluntly. Deliberate cruelty takes energy, planning and intent. It is hard to describe torture as an absence of anything. Augustine's answer is that the cruelty is a will turned toward the wrong object, so what is missing is right ordering rather than being. Many readers find this convincing about decay and unconvincing about atrocity, and that is a fair place to land.

The third discovery in the Confessions is about time, and it is the passage philosophers still cite. We measure time constantly: this took longer than that. But the past has gone, the future has not arrived, and the present has no duration at all. So what exactly are we measuring? Augustine's answer is that we are measuring something present, in the mind: memory of what has passed, attention to what is passing, expectation of what is coming. Time is a stretching of the mind across three tenses that do not exist outside it.

Underneath all of it runs one line, from the first page: our heart is restless until it rests in you. His claim is that no finite thing ever satisfies for long, and that this is structural rather than a personal failing. Every attainment is followed by wanting something further. He reads that as evidence about what the wanting is aimed at. You can reject the conclusion and still be left with the observation, which is uncomfortably accurate about promotions, houses and everything else people are certain will finally do it.