These verses in Luke are a commentary on the Parable of the Sower, which in Luke appears in 8:5-8. Just as a farmer sows the seed so that all of it may bear fruit, so also a lamp is lit so that it may give light. Like seed is sown not to be trampled on, eaten by birds, to wither or to be chocked, so a lamp is lit not to be hid under a jar or under a bed. Knowledge of the kingdom is not esoteric or secret, reserved for a particular group alone, but must be made known to all. It is knowledge, which must be shared openly with others. It is indeed the Good News, since it is a communication of love, and therefore it must not only be heard, but also experienced. By adding, “Then pay attention to how you listen”, the Lucan Jesus reminds listeners that they can choose and control how they will listen to the word of God. A total openness to the word of God results in an appropriate response to it.
Hearing is an active process. It calls for a commitment. Those who are open to that word are like a lamp, which gives light to all. An attentive hearing of the word of God can result in the transformation of one’s life and the living out of that word can lead to transformation in the lives of others.