Perhaps most of all it is a foray into the workings of a poet 's mind , a " journey into the wideness of language " , as he said in a speech accepting the nobel prize .
He maintained this wideness of vision throughout all his therapeutical practice , fostering both an opening to the conceptions of the human nature coming from philosophy , anthropology etc. and , on the other hand , the unity of the too many pshychological and psychiatric approaches .