The happiness of your life depends upon the quality of your thoughts.
Nothing that goes on in anyone else’s mind can harm you.
Marcus Aurelius was Roman emperor from 161 to 180. His reign was near the end of the Pax Romana, an era of peace and stability.
Remember that your mind is like a parachute–it only works when it’s open.
Knowledge x Action = Power
Jim Kwik (born 1973) is an American entrepreneur and author. He is well-known for his speed-reading and memory techniques.