When we are going to enter the water ... in the presence of the congregation and under the hand of the president, we solemnly profess that we disown the devil, his pomp, and his angels. After this we are immersed three times, making a somewhat larger pledge than the Lord appointed in the Gospel. Then we are taken up [a reference to the Roman tradition of recognizing a newborn baby as a member of the family]. We first taste a mixture of milk and honey and from that day we refrain from the daily bath for a whole week.
TertullianBut now inquiry is being made concerning these issues. First, can any believer enlist in the military? Second, can any soldier, even those of the rank and file or lesser grades who neither engage in pagan sacrifices nor capital punishment, be admitted into the church? No on both counts.
TertullianLet women paint their eyes with tints of chastity, insert into their ears the word of God, tie the yoke of Christ around their necks, and adorn their whole persons with the silk of sanctity and the damask of devotion.
TertullianPrevention of birth is premature murder, and it makes no difference whether it is a life already born that one snatches away or a life that is coming to birth.
Tertullian