At that time I had not yet been taught the doctrine I was later to learn so hurriedly in the Lager: that man is bound to pursue his own ends by all possible means, while he who errs but once pays dearly

Man is a centaur, a tangle of flesh and mind, divine inspiration and dust.

Each of us bears the imprint of a friend met along the way; In each the trace of each.

He was a physicist, more precisely an astrophysicist, diligent and eager but without illusions: the Truth lay beyond, inaccessible to our telescopes, accessible to the initiates. This was a long road which he was traveling with effort, wonderment, and profound joy. Physics was prose: elegant gymnastics for the mind, mirror of Creation, the key to man's dominion over the planet; but what is the stature of Creation, of man and the planet? His road was long and he had barely started up it, but I was his disciple: did I want to follow him?

Human memory is a marvelous but fallacious instrument. The memories which lie within us are not carved in stone; not only do they tend to become erased as the years go by, but often they change, or even increase by incorporating extraneous features.

The living are more demanding; the dead can wait.

To destroy a man is difficult, almost as difficult as to create one: it has not been easy, nor quick, but you Germans have succeeded. Here we are, docile under your gaze; from our side you have nothing more to fear; no acts of violence, no words of defiance, not even a look of judgment.