Cross reference
Ruth 1:18
18 When she saw that she was stedfastly minded to go with her, then she left speaking unto her.
Acts 21:14
14 And when he would not be persuaded, we ceased, saying, The will of the Lord be done.
Acts 2:42
42 And they continued stedfastly in the apostles' doctrine and fellowship, and in breaking of bread, and in prayers.
Ephesians 6:10
10 Finally, my brethren, be strong in the Lord, and in the power of his might.