Intelligence alone can discriminate as to the best means of attaining indiscriminate ends, but a moral being possesses an insight which enables him to discriminate between ends as well as between means. 
Jesus never did he resort to ignoble tactics in meeting the continuous pressure of his enemies, who did not hesitate to employ every sort of false, unfair, and unrighteous mode of attack upon him.  Jesus would not serve evil that good might presumably derive therefrom. 
Everything nonspiritual in human experience, excepting personality, is a means to an end. Every true relationship of mortal man with other persons—human or divine—is an end in itself.  The work of this world, paramount though it is, is not nearly so important as the way in which you do this work.