Who said "Knowledge is the key that opens every locked door."?

This quote is attributed to Miriam Makeba.

Knowledge is the key that opens every locked door. - Miriam Makeba

"Knowledge is the key that opens every locked door."

Miriam Makeba Knowledge

Jazz Singer Activist South African 1932–2008

"I am a singer of life."

"You can't just say I love you and then disappear."

"Africa is in my blood."

"Music is a universal language."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."