God created the world in six days and rested on Shabbat, the seventh day (Genesis 2:2). In doing so, God demonstrated that the world is complete and lacks nothing. Jews are similarly commanded to cease their acts of creation (Melachot) on Shabbat, just as God stopped His work. This ceasing of "work" acknowledges the fact that God's creation is perfect and that the world can exist without active human input.
The Torah does not specify what is classified as "human creation." However, through the...(more