Ivan Pavlov's Quotes

Ivan Pavlov's Quotes 7

But man has still another powerful resource: natural science with its...

Perfect as the wing of a bird may be it will never enable the bird to fly if...

It goes without saying that the desire to accomplish the task with more...

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Appetite craving for food is a constant and powerful stimulator of the...

It has long been known for sure that the sight of tasty food makes a hungry...

From the described experiment it is clear that the mere act of eating the...

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Edible substances evoke the secretion of thick concentrated saliva. Why? The...