The only source of knowledge is experience. - Judy Harris

"The only source of knowledge is experience."

Judy Harris Knowledge

Psychologist American Born 1938 (age 88)

More from Judy Harris

"Life is what happens when you're busy making other plans."

"The only way to do great work is to love what you do."

"In the middle of difficulty lies opportunity."

"Be yourself; everyone else is already taken."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."