1)The idea was strange to me. 2)It sounded too simple. 3)Somehow, I had always operated on the premise that, if you wanted something in this world, you had to go out and get it for yourself. 4)Yet, sincerity and hard work had yielded only meager returns, and I was willing to try anything. 5)Experimentally, self-consciously, I cultivated the daily practice of prayer. 6)I said: God, show me the purpose for which You sent me to this world. 7)Help me to be of use to myself and to humanity.请指出上面段落中哪些句子是限定分句、哪些句子是非限定分句,哪些句子是无动词分句。