"I have always been ahead of my time."

"Even matter which is called inorganic, deemed dead, responds to the disbelievers and gives irrefutable proof of the living principle within itself. Everything that exists, organic or inorganic, living…"

"I do not marry, for I consider that for an inventor, marriage is a great obstacle."

"I am equally proud of my Serbian origin and my Croatian homeland."

"Like a wave in the physical world, in the infinite ocean of the medium which pervades all, so in the world of organisms, in life, an impulse started proceeds onward, at times, may be, with the speed o…"