Jesus not only understood Himself to be the promised Messiah, He also says and does things throughout the Gospels that make it clear He understood Himself to be God incarnate.
The most important question any human being will ever face: 'Who do you say that Jesus is?'
We do not believe in order to be regenerated; we must be regenerated in order that we might believe.
All appeals to Scripture are appeals to interpretations of Scripture. The only real question is: whose interpretation? People with differing interpretations of Scripture cannot set a Bible on a table and ask it to resolve their differences. In order for the Scripture to function as an authority, it must be read and interpreted by someone. According to "solo" Scriptura, that someone is each individual, so ultimately, there are as many final authorities as there are human interpreters.
In our natural Adamic state, we are not on our sick beds. We are in the grave.