Who said "Work without purpose is merely the marking of time."?

This quote is attributed to Septimius Severus.

Work without purpose is merely the marking of time. - Septimius Severus

"Work without purpose is merely the marking of time."

Septimius Severus Work

Emperor General Ancient Rome 145–211

"I came, I saw, I conquered."

"Severitas is the mark of a true leader."

"A man's character is his destiny."

"The empire is not conquered by weakness."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."