Romans 1:9

For God is my witness, whom I serve with my spirit in the gospel of his Son, how constantly I make mention of you, always in my prayers

Colossians 1:9

On this account we also, from the day we heard of it, cease not to pray for you, and to ask that ye may be filled with the knowledge of his will in all wisdom and spiritual understanding;

2 Timothy 1:3

I thank God, whom I serve from my forefathers with pure conscience, as without ceasing I have remembrance of thee in my prayers night and day,

1 Thessalonians 3:10

night and day praying exceedingly that we may see your face, and may supply that which is lacking in your faith?

Acts 12:5

Peter therefore was kept guarded in prison; but earnest prayer was made by the church to God in his behalf.

Acts 20:20

how I kept back nothing that was profitable, but have made it known to you, and have taught you publicly, and from house to house;

Colossians 1:28

whom we preach, warning every man, and teaching every man in all wisdom, that we may present every man perfect in Christ;

Treasury of Scripture Knowledge

Summary

Moreover as for me, God forbid that I should sin against the LORD in ceasing to pray for you: but I will teach you the good and the right way:

Bible References

I will teach

Acts 20:20
how I kept back nothing that was profitable, but have made it known to you, and have taught you publicly, and from house to house;
Colossians 1:28
whom we preach, warning every man, and teaching every man in all wisdom, that we may present every man perfect in Christ;