1 Timothy 3:9
Keeping the secret of the faith in a heart free from sin.
1 Timothy 1:19
Keeping faith, and being conscious of well-doing; for some, by not doing these things, have gone wrong in relation to the faith:
1 Timothy 1:5
But the effect of the order is love coming from a clean heart, and a knowledge of what is right, and true faith:
1 Timothy 3:16
And without argument, great is the secret of religion: He who was seen in the flesh, who was given God's approval in the spirit, was seen by the angels, of whom the good news was given among the nations, in whom the world had faith, who was taken up in glory.
2 John 1:9-10
Anyone who goes on and does not keep to the teaching of Christ, has not God: he who keeps to the teaching has the Father and the Son.