There is no doubt these days, in one form or another, that we are all heretics. We all sinners, and in need of the glory of the Lord.
“For who has known the mind of the Lord, or who has been his counselor?” (Romans 11: 34)
But there are two types of heresies:
1 – Heresies based on abstract theological ideas concerning divinity and humanity of Jesus, His nature and person, etc… All these heresies may not be understood by many in the general public. And these ones don’t change the truth in anyway – if one said that there is no law of gravity, his belief does not change the fact of gravity – Similarly, if someone declared that God is one hypostasis (person), his statement does not change the nature of God as three persons in one.
2 – Heresies that lead simple-minded people astray. They obstruct their salvation; prevent them from knowing Christ; teach those popular reprehensible practices, customs and habits of saint mediation and intercessions. These heresies Keep them away from direct relationship with Christ and distort the image of Christ in their minds preventing them from accepting Christ as their only savior. These heresies are pitfalls for little ones.
Heretics of the second type are the ones whom Jesus spoke about: ” Jesus said to his disciples: “Things that cause people to stumble are bound to come, but woe to anyone through whom they come. It would be better for them to be thrown into the sea with a millstone tied around their neck than to cause one of these little ones to stumble” (Luke 17: 1-2)
We will not completely understand God. That is a given. Thus, abstract ideas about His Nature won’t lead simple-minded or ordinary people astray. Many peasants, workers and ordinary people do not know about hardcore theology, realtion between humanity and divinity of Jesus, or how there are three persons in God. But they still need to know Christ as a living person and savior, and as God incarnate.
Thus, religious authorities who teach those simple-minded people that they need clergy’s blessing and the intersession of dead saints to achieve salvation are far more dangerous.
Whoever disturbs abstract theological ideas and teach falsehood will be judged according to his intentions, but still be saved, may be as hard as camel passing a needle hole. But, whoever causes small people to stumble in their faith, it is better for him to be thrown into the sea with a millstone tied around his neck. That is also a given.