Before turning to those moral and mental aspects of the matter which present the greatest difficulties, let the inquirer begin by mastering more elementary problems.
Before turning to those moral and mental aspects of the matter which present the greatest difficulties, let the inquirer begin by mastering more elementary problems.
初学的人，在着手研究极其困难的有关事物的精神和心理方面的问题以前，不妨先从掌握较浅显的问题入手。