. . "As the Stoics of old used to say, an acorn may lie torpid in the ground, unable to exert its living force, until it receives warmth, and moisture, and other things needful for its germination; when it grows, it may put forth one bud here and another bud there; the wind may bend one branch, the frost blight another; the innate vitality of the tree may struggle against adverse conditions or luxuriat" . .