It is such considerations that necessitate the harmonising mediation of reason, which tests our beliefs by their mutual compatibility, and examines, in doubtful cases, the possible sources of error on the one side and on the other.

正是这样的考虑使得理性的协调调解成为必要，理性通过它们的相互兼容性来检验我们的信念，并在有疑问的情况下检查一方面和另一方面可能的错误来源。