Science is showing us that there are neurological (brain) factors that contribute to self-control and willpower, along with learning and upbringing. And when these brain systems are functioning improperly or become damaged, normal levels of self-control and willpower are impossible.
There is no jewel in the world comparable to learning; no learning so excellent both for Prince and subject, as knowledge of laws; and no knowledge of any laws so necessary for all estates and for all causes, concerning goods, lands or life, as the common laws of England.