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"The question of the composition of perceptible objects is one which already occupied the mind of the ancient Greeks."
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"The mind of a baby is a tabula rasa, society writes information on his mind."

"When an imaginative person gets into mental trouble, the line between seeming and being has a way of disappearing."

"When the whirlpool of thoughts is going on; that is known as the mind. At that time, the mind is functioning independently. That and the vrutis (tendencies of the chit) have no relationship. The tendencies arise later on, and then they go back and forth."
Explore more quotes by Johannes Stark

"The most common and most important result of them is that the nature and size of the effect on corresponding series of different elements are largely an expression of the peculiarity of their atomic structure - or, at least, of the structure of the surface."

"The discovery of various phenomena has led to a recognition of the fact that the chemical atom is an individual which again is itself made up of several units into a selfcontained whole."

"If the experimental physicist has already done a great deal of work in this field, nevertheless the theoretical physicist has still hardly begun to evaluate the experimental material which may lead him to conclusions about the structure of the atom."

"Moreover, the abundance of chemical compounds and their importance in daily life hindered the chemist from investigating the question, in what does the individuality of the atoms of different elements consist."

"We have learnt through experience that when an electrical ray strikes the surface of an atom, an electron, and in some circumstances a second and even a third electron, can be detached."

"With this in mind, for some twenty years I have set myself as my particular task the experimental investigation of the connexion between change in the structure and change in the spectra of chemical atoms."

"An external electric field, meeting it and passing through it, affects the negative as much as the positive quanta of the atom, and pushes the former to one side, and the latter in the other direction."

"Thus at the beginning of 1906 it seemed to be established that the emitters of the spectral series of chemical elements are their positive atomic ions."

"The emitters of the spectral series are without exception single atoms, not compounds of atoms."

"For under certain conditions the chemical atoms emit light waves of a specific length or oscillation frequency - their familiar characteristic spectra - and these can come in the form of electromagnetic waves only from accelerated electric quanta."
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