Verse 21. Also he who allows himself, by contact with evil to be contaminated, either internally, interiorly, or externally, and yet presumes to appropriate good from the Lord by external worship only, is thereby separated from good and truth.

4541. 'And make there an altar to the God who appeared to you' means that which is holy there. This is clear from the meaning of 'an altar' as the chief representative of the Lord, dealt with in 921, 2777, 2811, 4489. This being so, the holiness of worship is meant by 'making an altar to God'.