من هو ماهر في استخدام المطرقة يميل إلى التفكير أن كل شيء هو مسمار .

“It isn't normal to know what we want. It is a rare and difficult psychological …”

“I suppose it is tempting, if the only tool you have is a hammer, to treat every…”

“Let people realize clearly that every time they threaten someone or humiliate o…”

“Every human being has both sets of forces within him. One set clings to safety …”