"Every man of science has some favorite hypothesis which he cultivates, and with which he is so intimately bound up, that he would be glad to see it universally adopted."

"The greatest discovery of all time is that a person can change his future by merely changing his attitude."

"The most important thing in life is to be happy."

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

"Vitamin C is the best natural antihistamine."