True strength is found in the ability to change your mind wh... - Jonas Salk

"True strength is found in the ability to change your mind when presented with better evidence."

Jonas Salk Strength

Virologist and Immunologist American 1914–1995

More from Jonas Salk

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."