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Society is composed of men, and every man is a FREE agent. Since man is free, he can choose; since he can choose, he can err; since he can err, he can suffer. I go further: He must err and he must suffer; for his starting point is ignorance, and in his ignorance he sees before him an infinite number of unknown roads, all of which save one lead to error.

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Johannes Peter Muller

A good physiological experiment like a good physical one requires that it should present anywhere, at any time, under identical conditions, the same certain and unequivocal phenomena that can always be confirmed.

Confirmed, Like, Science, Should, Unequivocal
Same Author Quotes

The essential attribute of a new sense is, not the perception of external objects or influences which ordinarily do not act upon the senses, but that external causes should excite in it a new and peculiar kind of sensation different from all the sensations of our five senses.

Different, Medicine, Perception, Philosophy, Senses

Sensation is not the conduction of a quality or state of external bodies to consciousness, but the conduction of a quality or state of our nerves to consciousness, excited by an external cause.

Quality, Nerves, Body, External, State, Excited

The sense organs experience the external light, sound, etc. with difficulty; the different sense organs only have a so-called specific receptivity for particular stimuli.

Different, Etc, Light, Sound, Specific, Stimuli

To speak, therefore, of an electric current in the nerves, is to use quite as symbolic an expression as if we compared the action of the nervous principle with light or magnetism.

Expression, Light, Magnetism, Nervous, Principles

It is exceedingly improbable that the identical action of the corresponding parts of the two retina is the result of a certain habituation, or of the influence of the mind.

Action, Corresponding, Identical, Mind, Retina, Two
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