The Swan is a symbol of the soul on the higher plane.

The swan is the liberated soul, the lotus is either the consciousness reddening to the colour of Divine Love or else the symbol of the Divine Presence on earth.

page 978, Letters on Yoga , volume - 23 , SABCL


The Hansa is the symbol of the being – it regains its original purity as it rises until it becomes luminous in the Highest Truth.

page 979, Letters on Yoga , volume - 23 , SABCL