Always avoid the acute angle.

“Our thoughts make us what we are.”

“Let's not allow ourselves to be upset by small things we should despise and for…”

“A blow that would kill a civilized man soon heals on a savage. The higher we go…”

“إن التفكير الجيد يتعامل مع الأسباب والمؤثرات ويؤدي إلى التخطيط المنطقي والبناء …”