Literature Reference: 试玉要烧三日满，辨材须待七年期。—— 《放言五首 三》 To test jade, it must be burned for three full days; to discern true talent, it takes seven years. Source from 'Fangyan Wushou' by Bai Juyi.
辨: Analysis and discernment.
材: The term originally refers to wood and timber. It is also extended to mean resources, capable individuals, and other connotations.
Meaning: Discerning true talent requires the test of time.