Calm was the day, and through the trembling air
Sweet-breathing Zephyrus did softly play
A gentle spirit, that lightly did delay
Hot Titan's beams, which then did glister fair;
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It struck me while reading this poem how strongly it reminded me of Phillip Larkin's 'The Whitsun Weddings', and I am pretty sure he would have been familiar with Spencer's work.
This is about spiritual enlightenment. Pineal gland activation. The True meaning is hidden deep within the poem. The " Prothalamion" = the wedding chamber = The Thalamus. The lily of the valley and the rose of Sharon.... Kundalini. He who has ears to hear let him hear.; -)