Learn the ABC of science before you try to ascend to its summit.More Ivan Pavlov quotes [03/29/2018 05:03:36]

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.More Ivan Pavlov quotes [03/29/2018 05:03:36]

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.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 [03/29/2018 05:03:36]

The Sun-Paul must consider only one thing: what is the relation of this or that external reaction of the animal to the phenomena of the external world?More Ivan Pavlov quotes [12/18/2011 04:12:00]