Do not change yourselves to be like the people of this world, but be changed within by a new way of thinking. Then you will be able to decide what God wants for you; you will know what is good and pleasing to him and what is perfect. Romans 12:2

“Your heart must not be troubled. Believe in GOD; believe also in Me. John 14:1

So we fix our eyes not on what is seen, but on what is unseen. For what is seen is temporary, but what is unseen is eternal. 2 Corinthians 4:18