[6] In 1844 he asked the permission of King Frederick William IV to establish an agricultural village in the province of Posen, but in 1848 his initiative was halted due to another uprising.
[2][7] Following the Rabbinical Conference of Brunswick and Frankfurt he decided to issue a ban on Reform Judaism, and even travelled to Rabbi Jacob Ettlinger to Altona and to Rabbi Nathan Marcus Adler to Hannover to gain support for his initiative, but, despite agreeing with Eger's reasoning, they were wary to fully support his proposal.
He took his father's side during the debate between the Romm publishing house in Vilna and the Shapiro press in Slavita, which was a part of the long-standing feud between the Misnagdim and Chasidim movements.
[10] The latter party accused Eger of having influenced his father by dishonest means: My heart is terribly disturbed by the gall of the Slavita printers.
An old legend of questionable credibility claims that Eger sat shiva for his own son, when he started studying at another Chasidic Rabbi, Menachem Mendel of Kotzk.