Satan had two conditions [to his plan]: the first was the denial of agency, and the second, that he would have the honor. In other words, something had to be in it for him. And thus he became the father of lies and selfishness. Taking up one's cross and following the Savior means overcoming selfishness; it is a commitment to serve others. Selfishness is one of the baser human traits, which must be subdued and overcome. We torture our souls when we focus on getting rather than giving.