'Religion' in the Bible

instead they had some points of disagreement with him about their own religion and about one Jesus, a man who had died, but whom Paul kept asserting and insisting [over and over] to be alive.

They have known me for a long time, if they are willing to testify to it, that according to the strictest sect of our religion, I have lived as a Pharisee.

You have heard of my career and former manner of life in Judaism, how I used to hunt down and persecute the church of God extensively and [with fanatical zeal] tried [my best] to destroy it.

holding to a form of [outward] godliness (religion), although they have denied its power [for their conduct nullifies their claim of faith]. Avoid such people and keep far away from them.

Pure and unblemished religion [as it is expressed in outward acts] in the sight of our God and Father is this: to visit and look after the fatherless and the widows in their distress, and to keep oneself uncontaminated by the [secular] world.