A man with a camera was always suspected of being a spy. Moreover, the Jews did not want to be photographed, due to a misunderstanding of the prohibition against making graven images (photography had not been invented when the Torah was written!). I was forced to use a hidden camera.

Nature, God, or whatever you want to call the creator of the universe comes through the microscope clearly and strongly

Everything made by human hands looks terrible under magnification--crude, rough, and asymmetrical. But in nature every bit of life is lovely. And the more magnification we use, the more details are brought out, perfectly formed, like endless sets of boxes within boxes.

You can't teach biology with a bottle containing dead animals and organisms.

A man with a camera was always suspected of being a spy. Moreover, the Jews did not want to be photographed, due to a misunderstanding of the prohibition against making graven images (photography had not been invented when the Torah was written!). I was forced to use a hidden camera.

I was living in Germany in the thirties, and I knew that Hitler had made it his mission to exterminate all Jews, especially the children and the women who could bear children in the future. I was unable to save my people, only their memory.

Even before the concentration camps, I felt it was my duty to my ancestors to preserve a world that might cease to exist.