Literature Reference: 总为浮云能蔽日，长安不见使人愁。——《登金陵凤凰台》 Though floating clouds may block the sun, the unseen Chang’an should not bring sorrow. From 'Climbing Phoenix Tower at Jinling'.
莫: Vast and expansive, encompassing the boundless.
愁: Misery and a face clouded with sorrow.
Meaning: Worry-free, open-minded, and unburdened by worldly concerns.