Joseph Benson's Commentary of the Old and New Testaments - Exodus 23:14
Exodus 23:14. The passover, pentecost, and feast of tabernacles, in spring, summer, and autumn, were the three times appointed for their attendance; not in winter, because travelling was then uncomfortable; nor in the midst of their harvest. read more
Albert Barnes' Notes on the Whole Bible - Exodus 23:14-17
This is the first mention of the three great Yearly Festivals. The feast of Unleavened bread, in its connection with the Paschal Lamb, is spoken of in Exodus 12:0; Exodus 13:0: but the two others are here first named. The whole three are spoken of as if they were familiarly known to the people. The points that are especially enjoined are that every male Israelite should attend them at the sanctuary (compare Exodus 34:23), and that he should take with him an offering for Yahweh, presenting... read more