《明史·志·卷七》
臣等编纂新历法，逐渐就绪，而以后一次的交食，为期还速，现在不和钦天监臣共同见证，到历法编成以后，将用什么证实？
臣等纂辑新法，渐次就绪，而向生交食为期尚远，此时不与监臣共见，至成历后，将何徵信？
We have been preparing the new astronomical calendar and will soon complete it. Before completing it, though, the next eclipse is coming very soon. If we don't supervise it together with astronomy officials, what will we use to provide evidence of the accuracy of the completed calendar?