My muddled head

A joke, a cipher, an end, a riddletoo big a question to answer, too small to seekfor the feebleness does none but befuddle,worried are strong but weak.the tree asked this once, asked this twicestill life, looked upon the bestowed fate neither it flew alight, nor did it see the world, to grow and dieask the maker ask the manask the force who makes us cryfaith over reason, is the virtueno one knows where or why!