For a human being to lead a total life, he or she must have both the masculine and feminine forms of energy: the power of strength and the power of subtlety; the power of giving and the power of receiving. Ideally, these energies are merged seamlessly.
The creation of light is G-d’s concept of existence. It is the vision He articulated into being before getting down to the nuts and bolts of creation. The vision which precedes all, pervades all, and culminates all.