That was said by Ken Olsen, CEO of DEC, in 1977- At a meeting of the World Future Society, of all places. Granted, he later said that he was referring to large computers common at that time.
> I did make a number of statements and still make statements that people don't understand about computers, or delight in misquoting. A long time ago when the common knowledge was that PCs would run our lives in every detail, I said that if you stole something from the refrigerator at night you didn't want to enter this into the computer so that it would . . . mess up the computer plans for coming meals.