Time Evolution Operator

Famous quotes containing the words time and/or evolution:

“Modern thought has transferred the spectral character of Death to the notion of time itself. Time has become Death triumphant over all.”
—John Berger (b. 1926)

“Analyze theory-building how we will, we all must start in the middle. Our conceptual firsts are middle-sized, middle-distanced objects, and our introduction to them and to everything comes midway in the cultural evolution of the race.”
—Willard Van Orman Quine (b. 1908)