All the things we do to change the way we feel, the way the world looks and tastes: It's all got to go. So courage is necessary. Courage to change yourself, the one thing you can change. Your attitude and actions. Neither the serenity nor the courage are available to you on your own; if they were, you would've found them by now-you've been pretty fastidious in your research. God, however you conceptualize him, will have to grant them to you. And whatever you conceptualize God as, with your human mind, your individual brain, made up of instinctive responses, training, and memories, however you conceptualize a power that's beyond you and the decisions you've made so far, your conception will be extremely limited.