Literature Reference: 寓心身体中，寓性方寸内。——《遣怀》 The heart dwells within the body, and the nature resides in the innermost self. Source from 'Qian Huai'.
寓: Adapting to circumstances with contentment, finding satisfaction in every situation.
心: Heart and intention, often used in names to signify sincerity, is conducive to attracting noble assistance.
Meaning: Yu Xin symbolizes the tranquility of the heart and the cultivation of the inner self.