“Toil and pleasure, dissimilar in nature, are nevertheless united by a certain natural bond.”
Book V, sec. 4
History of Rome
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Livy 70
Roman historian -59–17 BCRelated quotes
Source: Summa Theologica (1265–1274), III, q. 1, art. 2, ad 2
“The nature of the chemical bond is the problem at the heart of all chemistry.”
New Chemistry (1957) by the editors of Scientific American, p. 65
“Although to penetrate into the intimate mysteries of nature and thence to learn the true causes of phenomena is not allowed to us, nevertheless it can happen that a certain fictive hypothesis may suffice for explaining many phenomena.”
Quanquam nobis in intima naturae mysteria penetrare, indeque veras caussas Phaenomenorum agnoscere neutiquam est concessum: tamen evenire potest, ut hypothesis quaedam ficta pluribus phaenomenis explicandis aeque satisfaciat, ac si vera caussa nobis esset perspecta.
§1
A conjecture about the nature of air (1780)
“The demand for certainty is one which is natural to man, but is nevertheless an intellectual vice.”
1940s, Philosophy for Laymen (1946)
Context: The demand for certainty is one which is natural to man, but is nevertheless an intellectual vice. If you take your children for a picnic on a doubtful day, they will demand a dogmatic answer as to whether it will be fine or wet, and be disappointed in you when you cannot be sure. The same sort of assurance is demanded, in later life, of those who undertake to lead populations into the Promised Land. “Liquidate the capitalists and the survivors will enjoy eternal bliss.” “Exterminate the Jews and everyone will be virtuous.” “Kill the Croats and let the Serbs reign.” “Kill the Serbs and let the Croats reign.” These are samples of the slogans that have won wide popular acceptance in our time. Even a modicum of philosophy would make it impossible to accept such bloodthirsty nonsense. But so long as men are not trained to withhold judgment in the absence of evidence, they will be led astray by cocksure prophets, and it is likely that their leaders will be either ignorant fanatics or dishonest charlatans. To endure uncertainty is difficult, but so are most of the other virtues. For the learning of every virtue there is an appropriate discipline, and for the learning of suspended judgment the best discipline is philosophy.
But if philosophy is to serve a positive purpose, it must not teach mere skepticism, for, while the dogmatist is harmful, the skeptic is useless. Dogmatism and skepticism are both, in a sense, absolute philosophies; one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or of ignorance.
Source: The Gendered Atom: Reflections on the Sexual Psychology of Science (1999), Ch.11 Only Connect
Source: (1776), Book I, Chapter II, p. 17.
Source: Art, 1912, Preface, p. 7-8
Context: Art is contemplation. It is the pleasure of the mind which searches into nature and which there divines the spirit by which Nature herself is animated. It is the joy of the intellect which sees clearly into the Universe and which recreates it, with conscientious vision. Art is the most sublime mission of man, since it is the expression of thought seeking to understand the world and to make it understood.