best quotations about
Theory |

13 quotes | Visits: 1,489 |
Quotations
![]() | Without Revolutionary theory, there can be no Revolutionary Movement. — Vladimir Lenin, 1870-1924, Soviet revolutionary & leader 7 likes |
![]() | An ounce of action is worth a ton of theory. — R. D. Blackmore, 1825-1900, English novelist (misattributed to Gandhi, Emerson, Engels and others) 3 likes |
![]() | Experience without theory is blind, but theory without experience is mere intellectual play. — Immanuel Kant, 1724-1804, German philosopher 3 likes |
![]() | It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. — Arthur Conan Doyle, 1859-1930, British writer 3 likes |
![]() | All theory is against the freedom of the will; all experience for it. — Samuel Johnson, 1709-1784, English writer 2 likes |
![]() | A work in which there are theories is like an object which still has the ticket that shows its price. — Marcel Proust, 1871-1922, French writer 2 likes |
![]() | A professor must have a theory as a dog must have fleas. — H.L. Mencken, 1880-1956, American columnist & cultural critic 2 likes |
![]() | If I cannot say a priori what elementary propositions there are, then the attempt to do so must lead to obvious nonsense. |
![]() | He knew everything in theory, nothing in practice... He knew the moves, he’d never played the game. |
![]() | Theory is knowledge that doesn't work. Practice is when everything works and you don't know why. |
![]() | Facts do not “speak for themselves.” They speak for or against competing theories. Facts divorced from theory or visions are mere isolated curiosities. |
Funny Quotes
![]() | In theory there is no difference between theory and practice; in practice there is. — Yogi Berra, 1925-2015, American baseball player & humorist 4 likes |
![]() | In theory, there is no difference between theory and practice. In practice, however, there is. — Anonymous 3 likes |