Albert Barnes on Matthew 13:23

Into the good ground. Those whose hearts are prepared by grace to receive it honestly, and to give it full opportunity to grow. In a rich and mellow soil-- a heart that submits itself to the full influence of truth, unchecked by cares and anxieties; under the showers and summer suns of Divine grace; with the heart spread open, like a broad luxuriant field, to the rays of the morning, and to evening dews--the gospel takes deep root, and grows; it has full room, and then and there only shows what it is.

(p) "beareth fruit" Jn 15:5