"There is nothing on this earth more to be prized than true friendship."

— Thomas Aquinas

"Strive not to be a success, but rather to be of value."

— Albert Einstein

"The greatest wealth is health."

— Virgil

"The trouble is not in dying for a friend, but in finding a friend worth dying for."

— Mark Twain

"The price of anything is the amount of life you exchange for it."

— Henry David Thoreau