[For actually] you do not know what your life will be like tomorrow. What is your life? For you are [like] a mist that appears briefly and then vanishes.

Surely

But Martha was preoccupied with all the preparations [i.e., for entertaining her beloved guest] and came up to Jesus and said, "Lord, do you not care that my sister has left me to do all the work by myself? Ask her to help me."

But God said to him, 'You fool! Tonight your life will be taken away from you. And [then] who will get the things you have stored up [for yourself]?'

Place all your anxious cares upon God [in prayer], because He genuinely cares about you.

He heapeth

But God said to him, 'You fool! Tonight your life will be taken away from you. And [then] who will get the things you have stored up [for yourself]?'

Your gold and silver have tarnished and their tarnish will be a testimony against you [i.e., you have hoarded your wealth instead of using it to benefit others], and they will devour your flesh as fire [i.e., your riches will ultimately consume you]. You have hoarded up your riches in these last days.

General references

"Do not store your valuables [here] on earth, where moths can eat them and where rust can corrode them, and where burglars can break in and steal [them].