Literature Reference: 熙熙然如登春台,忻忻然如沐春风。—— 《庄子·逍遥游》 Joyfully as if ascending to the spring terrace, cheerfully as if bathed in the spring breeze. Source from 'Zhuangzi·Xiaoyaoyou'.
熙: Harmonious and joyous, a scene of amity and delight.
忻: Inspiration; Joy.
Meaning: Radiant joy, as warm and delightful as a spring breeze.