Treasury of Scripture Knowledge
1 Corinthians 2:14
But the natural man does not perceive the things of the Spirit of God, for they are foolishness unto him; neither can he understand them because they are spiritually discerned.
1 Corinthians 9:11
If we have sown unto you spiritual things, is it a great thing if we shall reap material things from you?
1 Corinthians 10:3
and did all eat the same spiritual food
speaking among yourselves with psalms and hymns and spiritual songs, singing and praising the Lord in your hearts,
Let the word of the Christ dwell in you in abundance in all wisdom, teaching you and exhorting you one to another with psalms and hymns and spiritual songs, with grace singing in your hearts unto the Lord.