Copyright 2008 Neilson Barnard / Getty Images A sad loss ... ET breaks the news that comedian George Carlin has died from heart failure. The man who made famous the "seven words you can never say on television" passed away at 5:55 p.m. Sunday at Saint John's Hospital in Santa Monica, his longtime publicist said. He was 71. Carlin, who has had several heart attacks and a history of cardiac issues, went into the hospital this afternoon after complaining of heart problems. Carlin has more than 20 comedy albums, 14 HBO specials, numerous TV and movie roles, and three best-selling books to his credit. Last year, he celebrated his 50th year in show business, and he had just finished his last HBO special in March, "It's Bad for Ya."