The Work of Distinction

In the beginning, god created the heavens and the earth. The earth was without form and void, and darkness was upon the face of the deep. Over the next six days, god will address both of those problems. Initially, on the first three days, he will give the world form so that it will no longer be formless. Then on the second three days,. he will populate the world with things, so it will not be empty. Could this division into two sets of three days just be something that sceptical modernist came up with? No, it's been recognized for centuries. For example, in his summa theologia, saint thomas aquinas refers to the work