'Picking' in the Bible

On a Sabbath, He passed through the grainfields. His disciples were picking heads of grain, rubbing them in their hands, and eating them.

And He began speaking a parable to the invited guests when He noticed how they had been picking out the places of honor at the table, saying to them,

He said to the servant, ‘I will judge and condemn you by your own words, you worthless servant! Did you [really] know that I was a stern man, picking up what I did not lay down and reaping what I did not sow?