杞梓之林

1. • a multitude of talented people

     idiom

Character by character

• 杞(qǐ)Qi, a Zhou Dynasty vassal state
• 梓(zǐ)Chinese catalpa (Catalpa ovata), a tree that serves as a symbol of one's hometown and whose wood is used to make various items
• 之(zhī)(possessive particle, literary equivalent of 的 de)
• 林(lín)surname Lin