The Pulpit Commentary - Matthew 7:15-20
The tree and its fruit. It is not enough for Christ to spread his own wholesome teaching; he must warn against the dangerous influence of bad teachers. Later in his ministry he had occasion to speak of the pretended shepherds, who were really thieves, or at best hirelings ( John 10:10 , John 10:12 ). Here his reference to the tree and its fruit is meant to be applied to the teacher and his work. It shows that he expects people to be watchful over those who assume to be their instructors.... read more
The Pulpit Commentary - Matthew 7:13-27
(4) Epilogue (cf. Matthew 5:3 , note). Dare to take up this position, which has been laid down in Mt 5:21-7:12, involving though it must separation from the majority of men ( Matthew 7:13 , Matthew 7:14 ); and this notwithstanding the claim of others to reveal the Lord's mind, whose true nature, however, you shall perceive from their actions ( Matthew 7:15-20 ); they that work iniquity have neither present nor future union with me ( Matthew 7:21-23 ). Finally a solemn warning ( ... read more