Related:

• There are four kinds of people: those who sit quietly and do nothing, those who talk about sitting quietly and doing nothing, those who do things, and those who talk about doing things.
• It's hard to argue with someone who knows what he's talking about.
• Those who would argue with fools would scream at the deaf, with much the same result.
  -- Confucius Say...
• How many punk rockers -- does it take to change a light bulb?
  Three. One to do it and two to argue about who did it first....
• No people do so much harm as those who go about doing good. -- Mandell Creighton (1843-1901)
• Those who can, do. Those that can't criticize.
• Those who know, do not say; those who say, do not know.
• Those who do not do politics will be done in by politics.
• Those who can, do; those who can't, simulate.