Lacey

“Protons give an atom its identity, electrons its personality.”
― Bill Bryson, A Short History of Nearly Everything

“That which can be asserted without evidence, can be dismissed without evidence.”
― Christopher Hitchens

“The atom can't be seen, yet its existence can be proved. And it is simple to prove that it can't ever be seen. It has to be studied by indirect evidence — and the technical difficulty has been compared to asking a man who has never seen a piano to describe a piano from the sound it would make falling downstairs in the dark.”
― Carl David Anderson

“[Professor] Bragg [asserts that] In sodium chloride there appear to be no molecules represented by NaCl. The equality in number of sodium and chlorine atoms is arrived at by a chess-board pattern of these atoms; it is a result of geometry and not of a pairing-off of the atoms.”
― Henry Edward Armstrong