“The child brings with him into the world, not character, but disposition. He has tendencies which may need only to be strengthened, or, again, to be diverted or even repressed. His character — the efflorescence of the man wherein the fruit of his life is a-preparing — is original disposition, modified, directed, expanded by education; by circumstances; later, by self-control and self-culture; above all, by the supreme agency of the Holy Ghost, even where that agency is little suspected, and as little solicited.”