To be at peace with myself means to accept myself the way I am; to reduce the split that is created by the image of what I would like to be and who I really am; to be patient with myself, especially in regard to what conflicts with my idealized self.
What can we gain by sailing to the moon if we are not able to cross the abyss that separates us from ourselves? This is the most important of all voyages of discovery, and without it all the rest are not only useless but disastrous.