Who said "Imagination is the birthplace of all human progress"?

This quote is attributed to Winnie Madikizela-Mandela.

Imagination is the birthplace of all human progress - Winnie Madikizela-Mandela

"Imagination is the birthplace of all human progress"

Winnie Madikizela-Mandela Imagination

Politician, Anti-apartheid Activist South African Born 1936 (age 90)

"I am no angel. I am reality."

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"I have the power to make history."

"Education is the most powerful weapon which you can use to change the world."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."