Who said "Comfort is the enemy of progress and moral growth."?

This quote is attributed to Viola Liuzzo.

Comfort is the enemy of progress and moral growth. - Viola Liuzzo

"Comfort is the enemy of progress and moral growth."

Viola Liuzzo Perseverance

Civil Rights Activist American 1925–1965

"I am here on the earth to serve as a good example of what a Unitarian Christian can be."

"The only way to deal with an unfree world is to become so absolutely free that very existence is an act of rebellion."

"We must learn to live together as brothers or perish together as fools."

"Injustice anywhere is a threat to justice everywhere."

"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."