Who said "Humor provides perspective during darkest times."?

This quote is attributed to F.W. de Klerk.

Humor provides perspective during darkest times. - F.W. de Klerk

"Humor provides perspective during darkest times."

F.W. de Klerk Humor

President, Apartheid Reformer South African Born 1936 (age 90)

"Negotiation and dialogue are preferable to confrontation and violence."

"Change is inevitable, but the direction of change is not."

"Leadership requires the courage to make difficult decisions."

"Freedom is not given; it must be earned and defended."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."