Since, then, you have been raised with Christ, set your hearts on things above, where Christ is, seated at the right hand of God. Colossians 3:1 NIV
Once we have given our hearts to Jesus and been born again, we should focus on heavenly things. As Paul says, Therefore, if anyone is in Christ, he is a new creation; old things have passed away; behold, all things have become new. 2 Corinthians 5:17 NKJV. We put our old lives behind us and focus on our new life in Christ.
But seek first his kingdom and his righteousness, and all these things will be given to you as well. Matthew 6:33 NIV