The first is, that while God's promise is sure, the manner and the timing of its fulfillment is quite unpredictable.

首先是，上帝的承诺是确定无疑的，但实现的方法和时机却都是不可知的。

耶鲁公开课 - 旧约导论课程节选

And Moses brought back the people's words to the Lord.

摩西把人们的承诺告诉了上帝。

耶鲁公开课 - 旧约导论课程节选