Know that sunlight and moonlight both are altered by water. Water is the most potent elemental purifier. It is unlike a mirror and also unlike glass - allowing to reflect and refract the masculine charge (reddish wavelengths) while allowing the feminine charge (blueish wavelengths) to pass freely through its transparent body. Moonlight reverses this effect and achieves the opposite result, albeit more subtly, of course - befitting its nature. This is the function of transparency, and of transitional or phantom-states of existence among the elements - purification. And so is the function of the mind, as your consciousness and awareness lie always at the precipice of that which is obvious to you and the rest you are oblivious to. Use this truth as a metaphor to enhance your understanding of the inherent alchemical qualities and functions of these twin energetic channels. You have increased your understanding.