Luke 8:15
but by the good ground is meant such persons as have received the doctrine with simplicity and sincerity, abide by it, and practise it with perseverance.
1 Thessalonians 2:13
nor do we fail of giving thanks to God continually, that, when you received the word of God, which we preach, you did not receive it as the doctrine of men, but as a doctrine that appears to be truly divine, by the influences it displays in you, who believe.
1 Thessalonians 4:1
Finally, my brethren, we intreat and conjure you by the Lord Jesus Christ, to observe the instructions we gave you about your religious conduct, and to make continual progress therein.