Here is the institution of the feast of pentecost , or weeks , as it is called (Deut. 16:9), because it was observed fifty days, or seven weeks, after the passover. It is also called the feast of harvest , Exod. 23:16. For as the presenting of the sheaf of first-fruits was an introduction to the harvest, and gave them liberty to put in the sickle, so they solemnized the finishing of their corn-har...