'Stand Fast' in the Bible

My mercy will I keep for him for evermore, and my covenant shall stand fast with him.

They stand fast for ever and ever, and are done in truth and uprightness.

Declare ye in Egypt, and publish in Migdol, and publish in Noph and in Tahpanhes: say ye, Stand fast, and prepare thee; for the sword shall devour around thee.

Watch ye, stand fast in the faith, acquit yourselves like men, be strong.

Stand fast therefore in the liberty with which Christ hath made us free, and be not entangled again with the yoke of bondage.

Only let your manner of life be as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may hear of your affairs, that ye stand fast in one spirit, with one mind striving together for the faith of the gospel;

Therefore, my brethren dearly beloved and longed for, my joy and crown, so stand fast in the Lord, my dearly beloved.

For now we live, if ye stand fast in the Lord.

Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle.