'Ought' in the Bible

In the same way the Spirit [comes to us and] helps us in our weakness. We do not know what prayer to offer or how to offer it as we should, but the Spirit Himself [knows our need and at the right time] intercedes on our behalf with sighs and groanings too deep for words.

For by the grace [of God] given to me I say to everyone of you not to think more highly of himself [and of his importance and ability] than he ought to think; but to think so as to have sound judgment, as God has apportioned to each a degree of faith [and a purpose designed for service].

Now we who are strong [in our convictions and faith] ought to [patiently] put up with the weaknesses of those who are not strong, and not just please ourselves.

They were pleased to do it, and they are indebted to them. For if the Gentiles have come to share in their spiritual things, then they are indebted to serve them also in [tangible] material things.

that you may receive her in the Lord [with love and hospitality], as God’s people ought to receive one another. And that you may help her in whatever matter she may require assistance from you, for she has been a helper of many, including myself.