Who said "Uncertainty is the only certainty there is."?

This quote is attributed to Marlene Dietrich.

Uncertainty is the only certainty there is. - Marlene Dietrich

"Uncertainty is the only certainty there is."

Marlene Dietrich Philosophy

Actress and Singer German-American 1901–1992

"I love the company of tough, strong men and women."

"Darling, a legend is only as good as its story."

"It's uncivilized to commit suicide."

"I dress for the image. Not for myself, not for the public, not for fashion, not for men."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."