Who said "We must protect the freedom to think and speak."?

This quote is attributed to Linus Pauling.

We must protect the freedom to think and speak. - Linus Pauling

"We must protect the freedom to think and speak."

Linus Pauling Freedom

Chemist and Biochemist American 1901–1994

"The way to get good ideas is to get lots of ideas and throw the bad ones away."

"Science is the search for truth, the effort to understand the world."

"Life is a struggle, but that is what makes it interesting."

"I have something to say about the world."

"Freedom to pursue your passion is precious."

"Freedom comes at a cost."

"Order isn't restriction. It's freedom."

"Freedom comes with responsibility"