Trade Theory

Famous quotes containing the words trade and/or theory:

“My trade and my art is living. He who forbids me to speak about it according to my sense, experience, and practice, let him order the architect to speak of buildings not according to himself but according to his neighbor; according to another man’s knowledge, not according to his own.”
—Michel de Montaigne (1533–1592)

“There could be no fairer destiny for any physical theory than that it should point the way to a more comprehensive theory in which it lives on as a limiting case.”
—Albert Einstein (1879–1955)