“And God saw the light, that it was good; and God divided the light from the darkness” (Breishit 1:4). Just as Hashem separated light from darkness, He wants us to identify and differentiate between good and evil, between mitzvah (commandment) and transgression.
The Yetzer Hara, the Evil Inclination, is constantly trying to erase the distinction in our minds. He attempts to trick us into thinking that a certain transgression is actually a mitzva, a righteous act.
Once a person, through Torah study, knows how to recognize evil, one can more easily refrain from doing a Torah prohibition. However, the danger zone is in a place where good and bad are mixed — the grey areas. Here a person can easily being tricked, and much of life can fall within those pesky grey zones… (To be continued, bsd)
Based on The Garden of Knowledge, by Rabbi Shalom Arush