For God called us not for uncleanness, but in sanctification.
      1. The manner in which the exhortation is given--very affectionately. The apostle entreats them as brethren; he calls them so, and loved them as such. Because his love to them was very great, he exhorts them very earnestly: We beseech and exhort you. The apostle was unwilling to take any denial, and therefore repeats his exhortation again and again.