When God puts His Holy Spirit within man, that innermost part of us gets revived and it becomes alive. It's like a resurrection and that's why Christians are commanded to be baptized because in baptism we're testifying that a resurrection has taken place within our spirit.

An elementary book about God and man

Verse by verse through Revelation.

Are you more awestruck by God's miraculous acts than with knowing Him and understanding His ways? Eternal life is not about living forever but knowing God and Christ Jesus whom He sent.