"I have always been much interested in the question of women's physical and mental superiority, and have found that women are the stronger sex."

"The human being is a self-propelled automaton entirely under the control of external influences. Willful and predetermined though they appear, his actions are governed not from within, but from withou…"

"I am not an inventor, I am a discoverer."

"I have toiled ceaselessly for a quarter of a century for the love of science, to benefit humanity."

"It is paradoxical, yet true, to say, that the more we know, the more ignorant we become in the absolute sense, for it is only through enlightenment that we become conscious of our limitations. Precise…"