'Stedfast' in the Bible

To the Overseer, on the octave. -- A Psalm of David. Save, Jehovah, for the saintly hath failed, For the stedfast have ceased From the sons of men:

The law of Jehovah is perfect, refreshing the soul, The testimonies of Jehovah are stedfast, Making wise the simple,

And they are not like their fathers, A generation apostate and rebellious, A generation! it hath not prepared its heart, Nor stedfast with God is its spirit.

And their heart hath not been right with Him, And they have not been stedfast in His covenant.

To the age I keep for him My kindness, And My covenant is stedfast with him.

As the moon it is established -- to the age, And the witness in the sky is stedfast. Selah.

Thy testimonies have been very stedfast, To Thy house comely is holiness, O Jehovah, for length of days!

The works of His hands are true and just, Stedfast are all His appointments.