Think, first, of that dreadful abyss of ignorance from which all error flows and so engulfs the sons of Adam in a darksome pool that no one can escape without the toll of toils and tears and fears. 首先，想想那可怕的愚昧之渊，这里谬误横生，将亚当的子孙们淹没于黑暗的泥沼之中，任何人若不付出劳碌、泪水和恐惧的代价均无法脱身。
an abyss of ignorance, despair, loneliness, etc 无知的、 绝望的、 寂寞的...深渊.
He has been in the abyss of despair. 他已陷入绝望的深渊。
The old society was an abyss of darkness. 旧社会暗无天日。
The people are plunged into an abyss of misery. 涂炭生灵。