Who said "The observer cannot be separated from the observed."?

This quote is attributed to Humberto Maturana.

The observer cannot be separated from the observed. - Humberto Maturana

"The observer cannot be separated from the observed."

Humberto Maturana Philosophy

Biologist and Neuroscientist Chilean 1928–2015

"Love is the only emotion that expands intelligence."

"We are living systems; we exist in language."

"The observer cannot be separated from the observed."

"Biology is the study of life, and life is characterized by autopoiesis."

"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."