Literature Reference: I have friends who share the same heart, though we are separated by the vast sky. Source from 'Xianju Qiuhuai Ji Yangzhai Lu Zanfu Fengqiu Gao Shaofu'.
同: Identical; the same.
怀: Yearning and reminiscence, here signify family harmony and mutual care.
Meaning: To share the same heart signifies friends who are kindred spirits, expressing deep friendship and shared ideals.