Fast in Hebrews
3 verses in Hebrews.
Hebrews 3:6But Christ as a son over his own house; whose house are we, if we hold fast the confidence and the rejoicing of the hope firm unto the end.
Hebrews 4:14Seeing then that we have a great high priest, that is passed into the heavens, Jesus the Son of God, let us hold fast our profession.
Hebrews 10:23Let us hold fast the profession of our faith without wavering; (for he is faithful that promised;)