"There was no physical law to prevent it."
"It took me about twenty years before I had the right system that could be realized in practice and that scientist said it could work"
"Nevertheless, this certainly was the cheapest electron microscope ever paid for by a German organization for the promotion of science. "
"In case there are people out there who still think TEM is just taking pretty pictures to fill up one's bibliography, please stop, pause...and digest the extraordinary intellectual demands required of the microscopist in order to do the job properly: crystallography, diffraction, image contrast, inelastic scattering events, and spectroscopy.""
"The electron microscope is like the monkey wrench on the garage wall; what you do with it is the important thing."
"We were bombarded — this is the best way to put it — by requests from all the medical people and all the colloidal physics people — everybody that had things too small to be seen in a light microscope. We quickly realized that two graduate students working in a makeshift lab with a makeshift instrument couldn't satisfy the needs for this tool. "
"You can observe a lot by watching."
"...can the human soul be glimpsed through a microscope? Maybe, but you'd definitely need one of those very good ones with two eyepieces."