|"My enormous brain can't fit in this tiny skull"|
|Voltaire: "The Secret of the Bore is to tell everything". Oops|
|Bang! Um ... who shot the gun?|
So Kant said we must separate the world into two spheres: that of the knowable, which would be governed by its champion: science; and that of the unknowable, which would be governed by reason. Note that Kant the Christian didn't anoint God the champion of the other realm. Instead, he used reason to postulate God's existence, which to be honest I find refreshing.
But this is just the start of Kant's extensive writings.