Mark 2:23
And it chanced that he went through the corn fields on the Sabbath day; and his disciples, as they went on their way, began to pluck the ears of corn.
Matthew 12:1-8
In that time went Jesus, on the Sabbath day, through the corn; and his disciples were a hungered, and began to pluck the ears of corn, and to eat.
Luke 6:1-5
It happened on an after Sabbath, that he went through the corn field, and that his disciples plucked the ears of corn, and ate them, and rubbed them in their hands.
Deuteronomy 23:24-25
When thou comest into thy neighbour's vineyard, thou mayest eat grapes thy bellyful at thine own pleasure: but thou shalt put none in thy bag.