In fact, I thought that Christianity was very a good and a very valuable thing for us. But after a while, I began to feel that the story that I was told about this religion wasn’t perhaps completely whole, that something was left out.

Achebe describes an evolution from initial appreciation of Christianity’s ethical and communal appeal to a growing awareness that the version presented to him was partial. The “something was left out” suggests omissions about African histories, indigenous spiritual systems, and the colonial power relations that often accompanied missionary activity. The remark aligns with Achebe’s broader project: to recover complexity and agency for African societies that were frequently simplified or misrepresented in colonial narratives. It also implies that critique can coexist with recognition of value—his concern is not merely with belief, but with the framing, selectivity, and cultural consequences of how the religion was taught.