Of course we have to make a profit, but we have to make a profit over the long haul, not just the short term, and that means we must keep investing in research and development - it has run consistently about 6 percent of sales at Sony - and in service.
"Made in Japan : Akio Morita and Sony" by Akio Morita, Edwin M. Reingold, Mitsuko Shimomura, (p. 156), 1986.