And when do they come to the crossing of the Jordan? For I have noted that this also has been indicated, so that even the time might be distinguished, and with good reason. “On the tenth,” it says, “of the first month.” That is also the day on which the mystery of the lamb was prefigured in Egypt. On the tenth of the first month, these things were celebrated in Egypt; on the tenth of the first month, they go into the land of promise. This seems to me exceedingly fortunate, that on the very same day in which someone has escaped the errors of the world, that person may also be worthy to enter the land of promise, that is, on this day in which we live in this age. For all our present life is designated as one day. Therefore we are instructed through that mystery not to put off our acts and works of righteousness until tomorrow but rather “today”6—that is, while we are living, while we are lingering in this world—to make haste to accomplish all things that pertain to perfection, so that on the tenth day of the first month, we shall be able to enter the land of promise, that is, the blessedness of perfection.
[AD 253] Origen of Alexandria on Joshua 4:19