english: During 41 years of teaching biology at Harvard, I watched sadly as bright students turned away from the possibility of a scientific career or even from taking non-required courses in science because they were afraid of failure.
non_english: Tokom moje 41 godine predavanja biologije na Harvardu, tužno sam posmatrao kako bistri studenti odustaju od mogućnosti za naučnom karijerom ili čak pohađanja neobaveznih naučnih kurseva zbog straha od neuspeha.