"If we say that we have no sin we deceive ourselves, and there’s no truth in us." Why then, belike we must sin and so consequently die.
Ay, we must die an everlasting death.
What doctrine calls you this, Che sera sera,
"What will be shall be?" Divinity, adieu

This is a pivotal moment in Doctor Faustus because it shows that?
1.)Faustus explains why he is going to follow Satan2.)Faustus learns that death is inevitable3.)Faustus reads his first magical incantation4.)Faustus does not truly understand Christianity