 He then studied at home under a tutor, and later in the "yeshiva" of Trebitsch, Moravia, under Ḥayyim Joseph Pollak, and in that of Eisenstadt, Hungary under Isaac Moses Perles, returning to his home town in 1837.From the early age at which Weiss began to study Talmud and rabbinics it may be deduced that he was endowed with remarkable ability.He felt a keen desire for the pursuit of the secular sciences also, of which he was deprived in his youth, although he had been instructed in German by his private tutor.