<div style="text-align: center;">♦</div>
''How to increase concentration (single-mindedness) and will-force—they are so necessary for doing anything.''
Through regular, persevering, obstinate, unflagging exercise—I mean exercise of concentration and will. <ref>http://incarnateword.in/cwm/12/answers-to-a-monitor#p108,p109,p110</ref>
==Concentration on Music==