“…Film about Ivan Petrovich Pavlov, physiologist, researcher into the nervous system and reflexes, Noble prizewinner. …”

“…As the majority of physicians and physiologists appear to disapprove of the use of preservatives on general grounds, the Government are justified in forbidding the use of them where better methods of preservation are known; but in the Public Health (Preservatives, etc, in Food) Regulations, 1925, benzoic acid and sulphurous acid are permitted, and boric compounds prohibited. …”

“…En effet, selon les mots du physiologiste italien Angelo Mosso, dont les recherches sont le point de départ de cet ouvrage, si l'homme se fatigue c'est parce qu'il « n est pas comme un locomoteur qui consomme un kilogramme de charbon pour chaque kilomètre parcouru ». …”