"Never think that you already know all. However highly you are appraised, always have the courage to say to yourself-I am ignorant."
"While you are experimenting, do not remain content with the surface of things."
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Source: Ivan Petrovich Pavlov (1966). “Essential works”
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"Don't become a mere recorder of facts, but try to penetrate the mystery of their origin."
"When the dog is repeatedly teased with the sight of objects inducing salivary secretion from a distance, the reaction of the salivary glands grows weaker and weaker and finally drops to zero."
"Science demands from a man all his life. If you had two lives that would not be enough for you. Be passionate in your work and in your searching."
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