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action animal bodies appears Aristotle birds blood brain brute Buffon called capable cause chyle circulation colour common conceived contrary creatures degree deny diaphragm Diogenes Laertius doctrine drupeds earth effect eggs Empedocles exis existence external objects eyes faculty fecundation female fibres fire fishes flowers fruits heart heat hence hermaphrodite human ideas imagination immaterial impressions innate insects instance instinct intellect intelligence John Hunter juices kind knowledge less living Lucretius lungs male mankind manner material matter medulla oblongata membrane meninges ment mind motion nature nerves never nourishment observed organs oviparous ovum particles perceive perception philosophers phlogiston plants Plato pleasure polypus principle produced propagation properties putrefaction quadrupeds reason reptiles respiration says seed sensation sense sensible shew sion sleep solid soul Spallanzani species spirit stomach substance subtile supposed tence thing thought tion trees tribe ture vegetable vessels viviparous whole worms
Page 285 - And it shall come to pass in that day, that the LORD shall hiss for the fly that is in the uttermost part of the rivers of Egypt, and for the bee that is in the land of Assyria.
Page 509 - Thus the ideas, as well as children, of our youth often die before us; and our minds represent to us those tombs to which we are approaching; where though the brass and marble remain, yet the inscriptions are effaced by time, and the imagery moulders away.
Page 147 - When I perceive a tree before me, my faculty of seeing gives me not only a notion or simple apprehension of the tree, but a belief of its existence, and of its figure, distance, and magnitude ; and this judgment or belief is not got by comparing ideas, it is included in the very nature of the perception.
Page 124 - I can as well doubt of my own being as of the being of those things which I actually perceive by sense: it being a manifest contradiction that any sensible object should be immediately perceived by sight or touch, and at the same time have no existence in nature ; since the very existence of an unthinking being consists in being perceived.
Page 311 - As of the green leaves on a thick tree, some fall, and some grow; so is the generation of flesh and blood, one cometh to an end, and another is born.
Page 210 - The discoveries of ancient and modern navigators, and the domestic history, or tradition, of the most enlightened nations, represent the human savage, naked both in mind and body, and destitute of laws, of arts, of ideas, and almost of language.
Page 148 - They serve to direct us in the common affairs of life, where our reasoning faculty would leave us in the dark. They are a part of our constitution, and all the discoveries of our reason are grounded upon them. They make up what is called the common sense of mankind', and what is manifestly contrary to any of those first principles, is what we call absurd.
Page 225 - The lion and the tyger sport with the paw; the horse delights to commit his mane to the wind, and forgets his pasture to try his speed in the field; the bull even before his brow is armed, and the lamb while yet an emblem of innocence, have a disposition to strike with the forehead, and anticipate, in play, the conflicts they are doomed to sustain. Man too is disposed to opposition, and to employ the forces of his nature against an equal antagonist; he loves to bring his reason, his eloquence, his...
Page 214 - If we admit that man is susceptible of improvement, and has in himself a principle of progression, and a desire of perfection, it appears improper to say, that he has quitted the state of his nature, when he has begun to proceed ; or that he finds a station for which he was not intended, while, like other animals, he only follows the disposition, and employs the powers that nature has given.