Every year, Jahren writes, «trees lay all of their earthly treasures on the soil, where moth and rust immediately corrupt.» (firstthings.com)
In Matthew the sayings sound like wise advice for the ordinary conditions of life: earthly treasures are subject to destruction by moth and rust or to loss by theft; but treasures in heaven are indestructible, and where one's treasure is his heart will be also. (religion-online.org)