"walking in the light"
You make choices every day and almost every hour that keep you walking in the light or moving away toward darkness.
"He told us plainly what it would require for us to have that joy. We would have to receive a physical body, with all of the trials that would bring. We would be subject to illness and have within our bodies the processes which would finally lead to death. And our bodies would have in them powerful cravings for physical satisfaction....
There are so many things you may consider desirable. For instance, all of us want, to some degree, the approval of other people. All of us feel a need for friends. All of us are searching for some evidence that we are persons of worth. We make choices based on those desires. Some might lead us away from the light God offers us as a guide. Some may brighten that light by which we can find our way.