'Reason' in the Bible

And for this further reason we render unceasing thanks to God, that when you received God's Message from our lips, it was as no mere message from men that you embraced it, but as--what it really is--God's Message, which also does its work in the hearts of you who believe.

For this reason I also, when I could no longer endure the uncertainty, sent to know the condition of your faith, lest perchance the Tempter might have tempted you and our labour have been lost.

for this reason in our distress and trouble we have been comforted about you, brethren, by your faith.