Steroids
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1 Corinthians 6:19, 20
Do you not know that your body is a temple of the Holy Spirit who is in you, whom you have received from God? You are not your own; / you were bought at a price. Therefore glorify God with your body.
1 Timothy 4:8, 9
For physical exercise is of limited value, but godliness is valuable in every way, holding promise for the present life and for the one to come. / This is a trustworthy saying, worthy of full acceptance.
2 Timothy 2:5
Likewise, a competitor does not receive the crown unless he competes according to the rules.