Who said "Healing comes through acknowledgment, not forgetting."?

This quote is attributed to Oliver Tambo.

Healing comes through acknowledgment, not forgetting. - Oliver Tambo

"Healing comes through acknowledgment, not forgetting."

Oliver Tambo

Anti-apartheid Leader, Politician South African 1917–1993

"The struggle is my life. I will continue fighting for freedom until it is won."

"Unity is strength. Division is weakness."

"An ideal is not as ideal unless it is universal."

"We must never give up the fight for justice, no matter how long it takes."