Literature Reference: 章甫荐履,渐不可久兮;贤圣逆曳,方正倒植兮。—— 《楚辞·七谏·初放》 The ceremonial cap used as a shoe insole won't last long; the wise and virtuous are dragged backward, the upright uprooted. Source from 'Chu Ci: Qi Jian: Chu Fang'.
章: Charter and Discipline.
贤: Benevolent and prosperous. Often referring to individuals of noble character, virtuous and capable.
Meaning: Zhang Xian implies great talent, noble character, and a combination of virtue and ability.