Knowing Jesus' sacrifice on the Cross was not conditional and knowing, right now, that have have a place reserved in heaven is not arrogance...
One of the ways that it is not arrogance is that we do not think we are superior to anyone...We are trying to get you to believe God so that you may have that assurance yourself...
1Jn 5:13 These things have I written unto you that believe on the name of the Son of God; that ye may know that ye have eternal life, and that ye may believe on the name of the Son of God.
No, that's Gnosticism.
One of the ways that it is not arrogance is that we do not think we are superior to anyone...
You may wish to reread this thread.
We are trying to get you to believe God so that you may have that assurance yourself...
The odd thing is that exactly none of your Scripture passages show assurance.