Book 15: 《衛靈公》 Wei Ling Gong (Duke Ling of Wey)
《衛靈公》 Passage 15.34
子曰：「君子不可小知，而可大受也；小人不可大受，而可小知也。」
Legge Translation (1861)
The Master said: "The superior man cannot be known in little matters; but he may be entrusted with great concerns. The small man may not be entrusted with great concerns, but he may be known in little matters."