02.01.09 - Focus: (definition): "the concentration of attention or energy on something •"
So focus on Heaven as opposed to this world i.e. the things on earth. Focus on The Lord as opposed to self. Focus on the Word as opposed to the philosophies of man.

Ask the Lord to help you do these verses then discipline yourself to quickly refocus On the things of heaven when you get distracted and "offline".
See verse 16 (this chapter) and compare it with Eph. 5:18, 19.

This is a huge tip on "How To Walk In The Spirit"!
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I'm starting to read the book "Heaven" by Randy Alcorn and I hope to add more to this post concerning setting ones mind on Heaven at a later date.

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Find this related music here: http://www.blueletterbible.org/hymns/hymn.cfm?hymnID=1132#top&ignore&ignore

Colossians 3:1, Colossians 3:2-3 and Colossians 3:4