Learn, compare, collect the facts!More Ivan Pavlov quotes [03/29/2018 05:03:36]

It is still open to question whether psychology is a natural science, or whether it can be regarded as a science at all.More Ivan Pavlov quotes [03/29/2018 05:03:36]

Do not become archivists of facts. Try to penetrate to the secret of their occurrence, persistently search for the laws which govern them.More Ivan Pavlov quotes [03/29/2018 05:03:36]

Thanks to our present surgical methods in physiology we can demonstrate at any time almost all phenomena of digestion without the loss of even a single drop of blood, without a single scream from the animal undergoing the experiment.More Ivan Pavlov quotes [12/18/2011 04:12:16]

Perfect as the wing of a bird may be, it will never enable the bird to fly.More Ivan Pavlov quotes [03/29/2018 05:03:36]