The beginnings of scienceHarper & brothers, 1904 - Science |
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æther Alexandria Almagest alphabet anatomists anatomy Anaxagoras Anaximander ancient angle animals antiquity Archimedes Aristarchus Aristotle Asia asserts Assyrian astronomer Athens atoms Babylonian centre century B.C. chiefly civilization conceived conception course credited Ctesibius Democedes Democritus discoveries disease doctrine doubtless early earth eclipse Egypt Egyptian elaboration Empedocles epicycles epoch Erasistratus Eratosthenes fact famous Galen genius geographer geometry give Greece Greek Greek science heavens Hero Herophilus Hipparchus Hippocrates historian hundred idea important inductions influence invented king knowledge known later less lived measure mechanism medicine ment merely mind mingling modern moon motion natural observation orbit Oriental origin Parmenides particles perhaps period philosopher physicians Plato practical precisely prehistoric principle probably Ptolemy Pythagoras records reference regarding Roman scientific seems shadow spheres spherical stars Strabo studies suggest superstition supposed syllabary syllables Thales theory things thinkers thought thousand tion to-day words writing Xenophanes
Popular passages
Page 144 - All other things partake in a portion of everything, while Nous is infinite and self-ruled, and is mixed with nothing, but is alone, itself by itself.
Page 122 - Yes, and if oxen and horses or lions had hands, and could paint with their hands and produce works of art as men do, horses would paint the forms of the gods like horses, and oxen like oxen, and make their bodies in the image of their several kinds.
Page 80 - Inchantments to avert Evils, or procure good Fortune and Success. They are skilful likewise in the Art of Divination, by the flying of Birds, and interpreting of Dreams and Prodigies : And are reputed as...
Page 165 - This he proves, first by the tendency of things, in all places, downwards. He then adds80, " And, moreover, from the phenomena according to the sense : for if it were not so, the eclipses of the moon would not have such sections as they have. For in the configurations in the course of a month, the deficient part takes all different shapes; it is straight, and concave, and convex ; but in eclipses it always has the line of...
Page 172 - Wherefore we may judge that those persons who connect the region in the neighborhood of the pillars of Hercules with that towards India, and who assert that in this way the sea is one, do not assert things very improbable.
Page 78 - If the doctor has treated a gentleman for a severe wound with a lancet of bronze and has caused the gentleman to die, or has opened an abscess of the eye for a gentleman with the bronze lancet and has caused the loss of the gentleman's eye, one shall cut off his hands.
Page 227 - In addition to its vast importance in regard to social life, and the art of government, Geography unfolds to us the celestial phenomena, acquaints us with the occupants of the land and ocean, and the vegetation, fruits, and peculiarities of the various quarters of the earth, a knowledge of which marks him who cultivates it as a man earnest in the great problem of life and happiness.
Page 83 - em, we conceive would be a thing foreign to our History. But this any Man may justly and truly say, That the Chaldeans far exceed all other Men in the Knowledge of Astrology, and have study'd it most of any other Art or Science: But the number of years during which the Chaldeans say, those of their Profession have given themselves to the study of this natural Philosophy, is incredible; for when Alexander was in Asia, they reckon'd up Four Hundred and Seventy Thousand Years since they first began...
Page 130 - There is one vision coming from both (eyes). 327. (The heart) lies in seas of blood which darts in opposite directions, and there most of all intelligence centres for men ; for blood about the heart is intelligence in the case of men. 330. For men's wisdom increases with reference to what lies before them. 331. In so far as they change and become different, to this extent other sorts of things are ever present for them to think about. 333. For it is by earth that we see earth, and by water water,...
Page 114 - Another of his theories was that the air around the earth was immovable and pregnant with disease, and that everything in it was mortal; but that the upper air was in perpetual motion, and pure and salubrious, and that everything in that was immortal, and on that account divine. And that the sun and the moon and the stars were all gods; for in them the warm principle predominates which is the cause of life. And that the moon derives its light from the sun. And that there is a relationship between...