The mother compare her life " Life for me ain't be no crystal stairs" it implies that the mother advice her son to keep climbin on and she instructs him not togo back down the stairs evwn if he thinks climbing is hard. He should try not to fall because his mother is still going, and still climbing and her life ain't be no crystal stair. The mother advice his son that life is full of challenge and don't think about giving it up and keep climbin on.