H Kathryn talks about moving from a carnal Christian to being a Spiritual Christian. She uses 1 Corinthians 3:1-2 which reads:

1 Corinthians 3:1-2 And I, brethren, could not speak to you as to spiritual people but as to carnal, as to babes in Christ. I fed you with milk and not with solid food; for until now you were not able to receive it, and even now you are still not able;

Another talk that you might find useful in overcoming the carnal man is here https://youtu.be/VGl4C7X960U?si=x_KAH3ZyDBKbMO8c

There is a new playlist of Kathryn teaching on 1 Corinthians you can find it here on Youube