From Chapter 1 Buried Treasure:
19 “Do not store up for yourselves treasures on earth, where moth and rust destroy, and where thieves break in and steal. 20But store up for yourselves treasures in heaven, where moth and rust do not destroy, and where thieves do not break in and steal. 21For where your treasure is, there your heart will be also.”
"Store up for yourselves." Doesn’t it seem strange that Jesus commands us to do what's in our own best interests? Wouldn't that be selfish? No. God expects and commands us to act out of enlightened self-interest. He wants us to live to His glory, but what is to His glory is always to our good. As John Piper puts it, "God is most glorified in us when we are most satisfied in Him."