It is said that he made this decision after an exciting visit to Pasteur, during which the father of bacteriology spoke about pure science in such lofty terms that the young man was completely persuaded.
Ito ay said na ginawa niya ito matapos ang desisyon ng isang nakapupukaw pagbisita sa Pasteur, sa panahon na kung saan ang ama ng bacteriology nagsalita tungkol sa purong agham tulad ng sa napakataas na termino na ang binata ay lubos na hikayat.