All species capable of grasping this fact manage better in the struggle for existence than those which rely upon their own strength alone: the wolf which hunts in a pack has a greater chance of survival than the lion which hunts alone.
Technology is a useful servant but a dangerous master.
But the wicked passions of men's hearts alone seem strong enough to leave...
Life is without meaning. You bring the meaning to it. The meaning of life is whatever you ascribe it to be. Being alive is the meaning.