Opening theory may refer to:
- Backgammon opening theory
- Chess opening theory or Chess opening theory table
- Go opening theory
Famous quotes containing the words opening and/or theory:
“Go to the ant, thou sluggard; consider her ways, and be wise.”
—Bible: Hebrew Proverbs, 6:6.
The words were rendered by Samuel Johnson in the opening lines of The Ant: “Turn on the prudent ant thy heedful eyes, Observe her labours, sluggard, and be wise.”
“The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals.”
—Thomas Henry Huxley (1825–95)