6:19–21 The natural human tendency is to store up material possessions here on earth. Jesus advises laying up treasures in heaven, where the uncertainties of life cannot affect them. Where people put their treasure reveals where their hearts really are. Unless “moth and eating” (the NIV follows Tyndale’s translation of brōsis as rust, which lacks support from the LXX) is a grammatical expression meaning “eaten by moths,” we have three ways in which earthly possessions are destroyed. In the ancient East elaborate clothing was viewed as part of a person’s treasure. Such material was easily devastated by moths. “Eating” could refer to the gnawing of mice and other vermin (McNeile, p. 84) or in a more general sense to what Weymouth calls “wear-and-tear.” Since houses were normally made of mud …