NT-EPISTLES.filter - rsv surely:

rsv@2Corinthians:1:18 @ As surely as God is faithful, our word to you has not been Yes and No.

rsv@Hebrews:2:16 @ For surely it is not with angels that he is concerned but with the descendants of Abraham.

rsv@Hebrews:6:14 @ saying, "Surely I will bless you and multiply you."