Who said "Don't watch the clock; do what it does. Keep going."?

This quote is attributed to BonJour, Laurence.

Don't watch the clock; do what it does. Keep going. - BonJour, Laurence

"Don't watch the clock; do what it does. Keep going."

BonJour, Laurence Perseverance

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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."