Related:

• Philosophers think they do it.
• Anything not worth doing is worth not doing well. Think about it. -- Elias Schwartz
• You shouldn't think about *how* we're doing this. You should ask yourself, 'why?
  ' -- Penn Jillette...
• To think too long about doing a thing often becomes its undoing. -- Eva Young
• Jews worry about doing it.
• Based on what you know about him in history books, what do you think Abraham Lincoln would be doing if he were alive today?
• Psychologists think they're experimental psychologists.
  Experimental psychologists think they're biologists....
• This is not thought control. Think about it!
• Any job worth doing is worth complaining about.