" The strength of the Christian system — the acid test of it — is that everything fits under the apex of the existent, infinite-personal God, and it is the only system in the world where this is true. No other system has an apex under which everything fits.That is why I am a Christian and no longer an agnostic. In all the other systems, something 'sticks out,' something cannot be included; and it has to be mutilated or ignored. But without losing his own integrity, the Christian can see everything fitting into place beneath the Christian apex of the existence of the infinite-personal God who is there (p. 81). "

― Francis A. Schaeffer , He Is There and He Is Not Silent