It is to believed because it is absurd.

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.

It is certain because it is possible.

For those women sin against God when they rub their skin with ointments, stain their cheeks with rouge, and make their eyes prominent with antimony. To them, I suppose, the artistic skill of God is displeasing!

Where our work is, there let our joy be.

How many men of rank (to say nothing of common people) have been delivered from devils, and healed of diseases!

[T]he Father, the Son, and the Holy Ghost [are] three ... not in condition, but in degree; not in substance, but in form; not in power, but in aspect; yet of one substance, and of one condition, and of one power, inasmuch as He is one God, from whom these degrees and forms and aspects are reckoned, under the name of the Father, and of the Son, and of the Holy Ghost.