The Greek word translated "temperance" or "self-control" in the New Testament is egkrateia — from kratos, meaning strength or power. Self-control is not the elimination of desire; it is the capacity to govern your desires rather than be governed by them. Paul lists it last in the fruit of the Spirit in Galatians 5, which is suggestive: it is the Spirit who produces it, not self-effort alone. You cooperate with the Spirit; you don't manufacture the fruit independently.
Proverbs 25:28 makes the stakes visual: "He that hath no rule over his own spirit is like a city that is broken down, and without walls." In the ancient world, walls were not aesthetic — they were what stood between a city and its destruction. A person without self-control is not just undisciplined; they are defenseless. Every appetite and impulse that goes ungoverned becomes a door open to whatever wants to come through.
The discipline Paul describes in 1 Corinthians 9 is athletic: a competitor exercises self-control in every area of life to win a crown that will last an hour. Christians aim for a crown that never decays. That asymmetry should produce more intentionality, not less — if the prize is eternal, the training matters more, not less.
Commentary is from a charismatic Protestant perspective, drawing on KJV text and public-domain sources including Spurgeon, Andrew Murray, and Matthew Henry.