Who said "Think less about what you lack. More about what you have."?

Marcus Aurelius (121–180 AD). Source: Meditations 7.27.

What is the original wording?

Think not so much of what thou hast not as of what thou hast (George Long, 1862). Translated by George Long, 1862.

"Think less about what you lack. More about what you have." Marcus Aurelius said it in Meditations 7.27. Translated by George Long, 1862.

"Think not so much of what thou hast not as of what thou hast"

George Long, 1862, Meditations 7.27.

Marcus Aurelius (121–180 AD). Roman emperor who wrote private notes to himself on a military campaign. We know them as the Meditations.

Who said "Think less about what you lack. More about what you have."?: Marcus Aurelius (121–180 AD). Source: Meditations 7.27.
What is the original wording?: Think not so much of what thou hast not as of what thou hast (George Long, 1862). Translated by George Long, 1862.