'''Human nature''' can be said to consist of four aspects: body, mind, [[heart]] and spirit.<ref>"...the four magnificent parts of our nature consist of body, mind, heart and spirit." {{subst:8c|50}} </ref>
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'''Human nature''' can be said to consist of four aspects: body, mind, [[heart]] and spirit.<ref>"...the four magnificent parts of our nature consist of body, mind, heart and spirit." ''The 8th Habit'', Steven R. Covey, page 50 </ref>