Who said "Work ethic is the quiet foundation of all achievement."?

This quote is attributed to Nas.

Work ethic is the quiet foundation of all achievement. - Nas

"Work ethic is the quiet foundation of all achievement."

Nas Work

Hip Hop Rapper American Born 1973 (age 53)

"I am the life of the party, even when I'm by myself"

"The world is yours, everything in it"

"Life's a bitch and then you die"

"I write rhymes with addition and algebra, mental geometry"

"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."