Amongst the propagators of the second hypothesis, some admit the existence of a primordial germ possessing the power of infinite production; others believe in a Personal Creator who formed all things, whether by the means of pre-existent material or from nothing. In accepting this theory of a reasonable Being we must at once lay aside that of pure chance, since to Him is attributed the permanence of the separation described above, this separation or division is of such a nature as to induce the impression that thus it is by premeditation and co-ordination. Certain philosophers putting aside the question of the origin of the organic world in its entirety, have restricted their field of investigation, and taken it in detail. Thus: What is the origin of man? How is it that man thinks and speaks? What is human thought and human speech? Is it man’s nature that compels him to speak, or has language been from the first a matter of convention? The Greeks whilst pursuing their researches amongst the lofty regions of metaphysics expressed some very subtle theories on this subject, coupled with vast systems which comprehended the whole of humanity. By these they weighed the words spoken, their derivation, the ideas which these words represented, and the primitive source of the various phenomena exhibited by man, for the ancients recognised man’s indivisibility. Heraclitus considered that each object combines in itself a thought and its expression, emanating from the object, and that man is the recipient only; that he breathes a spiritual atmosphere; thus it is that every name necessarily designates the object it denotes. Plato said that all the objects of the external world have in them something which constitutes their essence, and that this essence is capable of being transmitted from objects themselves into the human mind; that ideas constitute the essence of objects, and that words are therefore necessarily related to the constituent parts of the objects, and their impression on the human understanding. Epicurus said that human language is the result of the pressure exercised by the external world on the sensitive essential matter in man, and that as soon as man sustains this pressure he emits words spontaneously; the most ancient words used seem to have been expressive sounds, and with the human race it was as natural for them to talk as to groan, to cough, or to sneeze. Thus the Ancients did not distinguish speech from conception.