“I am willing to join the federation for the introduction of an international auxiliary language to promote understanding, peace, and cooperation among nations.”
Einstein was a lifelong champion of efforts to eliminate of the nationalist divisions that leaders erected between peoples, often to deadly effect. Esperanto, the “international auxiliary language,” was an easy to learn, politically neutral language invented by L.L. Zamenhof, a Polish ophthalmologist, in the 1870s-1880s. His goals, to transcend nationalism and create harmony and peace in the world community, were certainly shared by Einstein — and pilloried as a Jewish conspiracy by Adolf Hitler. Considering the date of the pledge, Einstein was taking an early stand against the Fascist future into which Europe was about to descend.