Quote by Albert Sabin

"The conquest of disease and improvement of health only became possible when biological thinking replaced metaphysical thinking."

"Vaccination is the most cost-effective health investment ever made."

"We must never forget that the primary purpose of medicine is the prevention of disease."

"A disease recognized is half cured."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."