To act intelligently in human affairs is only possible if an attempt is made to understand the thoughts, motives, and apprehension of one's opponent so fully that one can see the world through their eyes.

We believe that an informed citizenry will act for life and not for death.

There are yet people who say there is no God. But what really makes me angry is that they quote me for the support of such views

This crippling of individuals I consider the worst evil of capitalism. Our whole educational system suffers from this evil. An exaggerated competitive attitude is inculcated into the student, who is trained to worship acquisitive success as a preparation for his future.

I cannot seriously believe in it [quantum theory] because the theory cannot be reconciled with the idea that physics should represent a reality in time and space, free from spooky actions at a distance [spukhafte Fernwirkungen].

Genius is making complex ideas simple, not making simple ideas complex

Numerous are the academic professors, but rare are wise and noble teachers.