Who said "Act as if what you do makes a difference. It does."?

This quote is attributed to BonJour, Laurence.

Act as if what you do makes a difference. It does. - BonJour, Laurence

"Act as if what you do makes a difference. It does."

BonJour, Laurence Work

Philosopher American Born 1943 (age 83)

"The only way to do great work is to love what you do."

"Life is what happens when you're busy making other plans."

"The future belongs to those who believe in the beauty of their dreams."

"It is during our darkest moments that we must focus to see the light."

"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."