What inspired the author to focus so much on the science behind self-discipline?
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نقاش القراء مفتوح الآن. يمكن لمؤلف موثّق الانضمام بعد المطالبة بهذا الملف.
What inspired the author to focus so much on the science behind self-discipline?
Did anyone find the practical tips in this book actually easy to implement daily?
How did the author decide which psychological studies to include and highlight?