Who said "The most profound truths are often the simplest ones."?

This quote is attributed to Jonas Salk.

The most profound truths are often the simplest ones. - Jonas Salk

"The most profound truths are often the simplest ones."

Jonas Salk Truth

Virologist and Immunologist American 1914–1995

"The reward for work well done is the opportunity to do more."

"Life is an adventure in forgiveness."

"Hope lies in dreams, in imagination, in the courage of those who dare to try."

"Our greatest responsibility is to be good ancestors."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."