Which of the following were great Scottish thinkers of the Enlightenment?

• Robert Louis Stevenson and David Hume
• Adam Smith and David Hume
  Explanation:

  "Many of the great thinkers of the Enlightenment were Scottish. Adam Smith developed ideas about economics which are still referred to today. David Hume’s ideas about human nature continue to influence philosophers."
• Robert Burns and Robert Louis Stevenson
• Robert Burns and David Hume