Verses with the word doubtless in the New Testament (3 verses):
1 Corinthians 9:2
If I be not an apostle unto others, yet doubtless I am to you: for the seal of mine apostleship are ye in the Lord.
2 Corinthians 12:1
It is not expedient for me doubtless to glory. I will come to visions and revelations of the Lord.
Yea doubtless, and I count all things but loss for the excellency of the knowledge of Christ Jesus my Lord: for whom I have suffered the loss of all things, and do count them but dung, that I may win Christ,