In chapter 4 of the Book of Amos, verses 1-3 are talking about people who pervert the truths of the church. They will fall into falsities in outermost things.

In the Bible, fish represent "lower" things than mammals, so we can interpret the fishhooks in verse 2 as meaning being caught and held fast in natural or lower things.

Verses 4-6 are about acts of worship such as tithes and sacrifices. These look similar to genuine worship, but are only external sorts of things. We can tell because ‘teeth’ (in verse 6) represent ultimates or outermost things (see Secrets of Heaven 6380). It follows that “cleanness of teeth” would mean outermost things that look good but only imitate genuine worship. The Lord exhorts, “Yet you have not returned to me.”

Verses 7-8. Some things true will remain, when where there are too many false ideas, the truths don't get through. This can be seen where the Lord says, “I made it rain on one city; I withheld rain from another city... where it did not rain the part withered.” Again the Lord exhorts, “Yet you have not returned to me.”

Verse 9. Afterward all things of the church are falsified, shown by blight attacking the gardens, vineyards, fig tree and olive trees. The last three represent spiritual, natural and celestial things, or all the things of spiritual life. “Yet you have not returned to me,” says the Lord.

Verses 10-11. The Lord explains the devastating things he allowed to happen: plague in Egypt, death of young men by swords, stench in the camps, Sodom and Gomorrah. This is because they are profaned by sensual knowledges. Profanation means the mixing of good and evil together. (See Secrets of Heaven 1001[2]).

This extends to all things of the church, with the church being the Lord’s kingdom on earth (Secrets of Heaven 768[3]).

With profanation “as soon as any idea of what is holy arises, the idea of what is profane joins immediately to it,” (Secrets of Heaven 301).

Now there is hardly anything left. “Yet you have not returned to Me,” says the Lord again.

Verses 12-13: Because people adamantly remain in their profane ways, they are warned, “Prepare to meet your God!”. This is the God powerful and mighty, “who forms mountains, and creates the wind,” and even more close to home, “Who declares to man what his thought is.” As intimately a knowing as that is, the Lord’s love for all humanity is contained in His exhortations for them to turn themselves to Him.

See, for example, Luke 6:44-45, and True Christian Religion 373.

382. 'Being a wanderer and a fugitive in the land' means not knowing what truth and good are. This is clear from the meaning in the Word of 'wandering' and of 'fleeing', as in Jeremiah,

Prophets and priests wander blind in the streets; they are defiled with blood. Things which have no power they touch with their garments. Lamentations 4:13-14.

Here 'prophets' stands for those who teach, 'priests' for those who live according to what is taught. 'Wandering blind in the streets' means not knowing what good and truth are.

[2] In Amos,

Part of one field had rain, and part of the field on which it did not rain dried up. So two or three cities will wander to one city to drink water, and they will not be satisfied. Amos 4:7-8.

Here 'the part of the field on which rain fell' is the doctrine of faith that derives from charity, while 'the part or section of the field on which it did not rain' is the doctrine of faith devoid of charity. 'Wandering to drink water' similarly means searching for truth.

[3] In Hosea,

Ephraim has been stricken, their root has dried up, they will bear no fruit. My God will cast them away because they have not hearkened to Him, and they will be wanderers among the nations. Hosea 9:16-17.

'Ephraim' stands for an understanding of truth, that is, for faith, since he was Joseph' s firstborn. 'A root which had dried up' stands for charity that is incapable of bearing fruit. 'Wanderers among the nations' means that they have no knowledge of truth and good.

[4] In Jeremiah,

Go up against Arabia and lay waste the sons of the east. Flee, wander far away; the inhabitants of Hazer have plunged into the depths to dwell there. Jeremiah 49:28, 30.

'Arabia' and 'the sons of the east' stand for the possession of celestial riches, or things of love, which when laid waste are also spoken of as 'fleeing and wandering', or fugitives and wanderers, when they achieve nothing good at all. And 'the inhabitants of Hazer', or those who possess spiritual riches, which are things of faith, are spoken of as 'plunging into the depths', which means perishing.

In Isaiah,

All your chief men are wandering about together, on account of the bow they have been put in chains. They have fled from far away. Isaiah 12:3.

This refers to 'the valley of vision', which is the delusion that faith can exist without charity. This explains why verse 14 below speaks of 'a wanderer and a fugitive', that is, a person who, confessing faith in isolation from charity, has no knowledge at all of truth and good.