Perfect as the wing of a bird may be, it will never enable the bird to fly if unsupported by the air. Facts are the air of science. Without them a man of science can never rise. – Ivan Pavlov
Appetite, craving for food, is a constant and powerful stimulator of the gastric glands. – Ivan Pavlov
It has long been known for sure that the sight of tasty food makes a hungry mans mouth water also lack of appetite has always been regarded as an undesirable phenomenon, from which one might conclude that appetite is essentially linked with the process of digestion. – Ivan Pavlov
It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly observe all the precautions taken by surgeons in respect to their patients. – Ivan Pavlov
This is not simply a story about a frog and a prince. A story about a frog would be biological. A story about a prince would be historical. But a story about a frog-prince is magical, and therein lies all the difference. – Jane Yolen, Touch Magic: Fantasy, Faerie and Folklore in the Literature of Child