Leadership is the ability to step outside the culture to start evolutionary change processes that are more adaptive.
Edgar ScheinThe company ... has no rights to survive. But value systems and philosophies survive. People take them with them
Edgar ScheinA pattern of shared basic assumptions invented, discovered, or developed by a given group as it learns to cope with its problems of external adaptation and internal integration that have worked well enough to be considered valid and therefore, to be taught to new members as the correct way to perceive, think and feel in relation to those problems.
Edgar Schein