'Reason' in the Bible

For this reason God gave them over to degrading and vile passions; for their women exchanged the natural function for that which is unnatural [a function contrary to nature],

They show that the essential requirements of the Law are written in their hearts; and their conscience [their sense of right and wrong, their moral choices] bearing witness and their thoughts alternately accusing or perhaps defending them

In hope against hope Abraham believed that he would become a father of many nations, as he had been promised [by God]: “So [numberless] shall your descendants be.”

but I see a different law and rule of action in the members of my body [in its appetites and desires], waging war against the law of my mind and subduing me and making me a prisoner of the law of sin which is within my members.

Now the mind of the flesh is death [both now and forever—because it pursues sin]; but the mind of the Spirit is life and peace [the spiritual well-being that comes from walking with God—both now and forever];

If Christ lives in you, though your [natural] body is dead because of sin, your spirit is alive because of righteousness [which He provides].

And why not? Because it was not by faith [that they pursued it], but as though it were by works [relying on the merit of their works instead of their faith]. They stumbled over the stumbling Stone [Jesus Christ].

For this same reason you pay taxes, for civil authorities are God’s servants, devoting themselves to governance.

The faith which you have [that gives you freedom of choice], have as your own conviction before God [just keep it between yourself and God, seeking His will]. Happy is he who has no reason to condemn himself for what he approves.

In Christ Jesus, then, I have found [legitimate] reason for boasting in things related [to my service] to God.

This [goal—my commitment to this principle] is the reason why I have often been prevented from coming to you [in Rome].