John Young Quotes & Sayings
Enjoy the top 3 famous quotes, sayings and quotations by John Young.
Famous Quotes By John Young

Twentieth century man must boldly reach out ... And purposefully strive to discover the hidden secrets of our universe. — John Young

If you want to see an endangered species, get up and look in the mirror. — John Young

The greatest enemy of progress is the illusion of knowledge. — John Young