'Mansions,' as in Genesis 6:14, signify the two parts of a person which are the will and understanding. 'Mansions,' as in lowest, secondary, and third, represent scientific, rational, and intellectual ideas.

(Ссылки: Arcana Coelestia 638)

3998. 'On the morrow' means into eternity. This is clear from the meaning of 'the morrow'. When yesterday, today, or tomorrow is mentioned in the Word eternity is meant in the highest sense, 'yesterday' meaning from eternity, 'today' eternity, and 'tomorrow' into eternity. As regards 'today' meaning eternity, see 2838. Indeed periods of time mentioned in the Word - ages, years, months, weeks, days, hours - mean states, as has often been shown. With the Lord however there are no states, but everything is eternal and infinite. From this it is evident that 'on the morrow' means into eternity.