Finally, brethren, whatever things are true, whatever things are noble, whatever things are just, whatever things are pure, whatever things are lovely, whatever things are of good report, if there is any virtue and if there is anything praiseworthy—meditate on these things. (Philippians 4:8)

I will give them singleness of heart and put a new spirit within them. I will take away their stony, stubborn heart and give them a tender, responsive heart. (Ezekiel 11:19 NLT)

For I the Lord do not change. (Malachi 3:6 ESV)

'What do you mean, 'If I can'?' Jesus asked. 'Anything is possible if a person believes.' (Mark 9:23 NLT)

To be renewed in the spirit of your minds, and to put on the new self, created after the likeness of God. (Ephesians 4:23-24 ESV)