"Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young." - Henry Ford

"Age is an issue of mind over matter. If you don't mind, it doesn't matter." - Mark Twain

"Age considers; youth ventures." - Rabindranath Tagore

"Youth is a wonderful thing. What a crime to waste it on children." - George Bernard Shaw