User blog comment:V3hemenc3/What is the accepted number of farm on an AD carry?/@comment-97.90.186.194-20120918171947

Quote from Chaox, "A good cs to have by 20 minutes? More than your lane opponent."

The truth is that people can talk about the minute mark all day, but if you are stronger than the enemy ad, either by way of farm or killing/denying them, then you are doing a good job in lane.