'Maintain' in the Bible

I will never affirm that you are right.I will maintain my integrity until I die.

Maintain your competence and discretion.My son, don’t lose sight of them.

so that you may maintain discretionand your lips safeguard knowledge.

But you must return to your God.Maintain love and justice,and always put your hope in God.

He also said to them, “You completely invalidate God’s command in order to maintain your tradition!