text: for after all every one who wishes to gain true knowledge must climb the hill difficulty alone and since there is no royal road to the summit i must zigzag it in my own way i slip back many times i fall i stand still i run against the edge of hidden obstacles i lose my temper and find it again and keep it better i trudge on i gain a little i feel encouraged i get more eager and climb higher and begin to see the widening horizon every struggle is a victory one more effort and i reach the luminous cloud the blue depths of the sky the uplands of my desire