'In Me' in the Bible

And if I have the gift of prophecy [and speak a new message from God to the people], and understand all mysteries, and [possess] all knowledge; and if I have all [sufficient] faith so that I can remove mountains, but do not have love [reaching out to others], I am nothing.

If I give all my possessions to feed the poor, and if I surrender my body to be burned, but do not have love, it does me no good at all.

For if I pray in a tongue, my spirit prays, but my mind is unproductive [because it does not understand what my spirit is praying].

Then what am I to do? I will pray with the spirit [by the Holy Spirit that is within me] and I will pray with the mind [using words I understand]; I will sing with the spirit [by the Holy Spirit that is within me] and I will sing with the mind [using words I understand].