Sentence:  The leader Montgomery envisages will need to <WSD>discipline</WSD> himself , lead a carefully regulated and orderly life , allow time for quiet thought and reflection , adapt decisions and plans to changing situations , be ruthless , particularly with inefficiency , and be honest and morally proper . 
Meaning of the word marked with <WSD> tags:  develop (children's) behavior by instruction and practice; especially to teach self-control