Natural faculties of human beings
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Only certain faculties, or mental acts, are natural; others require “study and industry.”
There is no other act of man's mind, that I can remember, naturally planted in him, so as to need no other thing to the exercise of it but to be born a man, and live with the use of his five senses. Those other faculties, of which I shall speak by and by, and which seem proper to man only, are acquired and increased by study and industry, and of most men learned by instruction and discipline, and proceed all from the invention of words and speech. For besides sense, and thoughts, and the train of thoughts, the mind of man has no other motion; though by the help of speech, and method, the same faculties may be improved to such a height as to distinguish men from all other living creatures.
Hobbes, Lev III 11