...why some sheep hear the Shepherd's voice and follow, while others persist is one of those secrets which are not revealed as yet to the children of men."But as the eye of omniscient love glanced down the ages, it must have lighted with peculiar pleasure on the eager, devoted soul of Paul. God foreknew and predestined him. The divine purpose, descrying his capacity for the best, selected him for it, and it for him." - from the audio.