Those priests that offered gifts according to the law served in a tabernacle that was set up on earth, and therefore by necessity symbolic and not intended to be the same as the one that exists in heaven. Two words are used to teach that the tabernacle and its furniture were less than the real thing; it was an example and it was a shadow.
Worship is something which is given to us by God. We do not invent the elements of worship for ourselves. Who but the Lord can say what is an acceptable way for him to be worshipped? There are so many things that we remain ignorant of as believers, and worship is such a deep matter, that we dare not change anything that we have been given. God ‘may not be worshipped according to the imagination and devices of men’ (Baptist Confession of Faith, 1689). Nothing in Old Testament worship passes away because all elements find their fulfilment in Christ, but, viewed outwardly, New Testament is much simplified, consisting of prayer, bible reading, singing of psalms, hymns, and spiritual songs, the preaching of God’s word, and the carrying out of New Testament ordinances.
People do ask me questions: ‘Did the Jews down the centuries really know that all their worship was only a picture, a pattern of something true and real that was to follow?’ And the answer is, they should have done, because from the very beginning it was described – the whole thing: the source, the construction, the utensils and everything – as a pattern, a for-instance. They should never have come to regard it as efficacious. ‘If I make a sacrifice in the temple, will that actually take away my sin?’ No, it was given as a representation, and they should have known always as it was only a representation of something to follow.