The least — That is, one of the least: a way of speaking extremely common among the Jews. It becometh a tree — In those countries it grows exceeding large and high. So will the Christian doctrine spread in the world, and the life of Christ in the soul.
Related Commentaries of Matthew 13:32
Matthew 13:32
32 Which indeed is the least of all seeds: but when it is grown, it is the greatest among herbs, and becometh a tree, so that the birds of the air come and lodge in the branches thereof.