"When I recall today my early youth, I should take the boy that I then was, with the exception of a few individual features, for a different person, were it not for the existence of the chain of memories"
This quote is written / told by Ernst Mach between February 18, 1838 and February 19, 1916. He/she was a famous Physicist from Austria.
The author also have 20 other quotes.
"In thinking about nanotechnology today, what's most important is understanding where it leads, what nanotechnology will look like after we reach the assembler breakthrough"