5:13 reads "These things I have written to you who believe in
the Son of God, in order that you may know that you have eternal life".
It is possible for us to know that we have eternal life. Knowing you
are saved isn't based on our own merit, however. If we believe God's
promise and are willing to live according to belief, we can know that
we are saved. Ephesians 2:8 reads "For by grace you have been
saved though faith; that not of yourselves, it is the gift of God."
We can know we are saved based on Jesus and what He did. This is because
of God's grace, not based on anything we have done. Salvation is a