2 Corinthians 1:12

for this is to me matter of glorying, the testimony of my conscience, that without artifice, and with religious sincerity, not by worldly wisdom, but by God's favourable assistance I have behaved my self towards all men, but more particularly to you.

Luke 8:15

but by the good ground is meant such persons as have received the doctrine with simplicity and sincerity, abide by it, and practise it with perseverance.

John 4:23-24

but the time is coming, nay, is very nigh, when the true worshippers shall worship the father in spirit and in truth: for they are the worshippers which he requires.

Acts 9:31

Then the churches in all Judea, Galilee, and Samaria, were unmolested and establish'd, and by their religious conduct, and the assistance of the holy spirit, grew more extensive.

Ephesians 6:24

grace be with all those that have love uncorrupted for our Lord Jesus Christ. amen.

Philippians 1:10

that being capable to distinguish what is best, you may remain stedfastly sincere until the day of Christ,

Treasury of Scripture Knowledge

Summary

Now therefore fear the LORD, and serve him in sincerity and in truth: and put away the gods which your fathers served on the other side of the flood, and in Egypt; and serve ye the LORD.

Fear

Bible References

Fear

Acts 9:31
Then the churches in all Judea, Galilee, and Samaria, were unmolested and establish'd, and by their religious conduct, and the assistance of the holy spirit, grew more extensive.