Matthew Poole and continuators on Genesis 28:18

18 And Jacob rose up early in the morning, and took the stone that he had put for his pillows, and set it up for a pillar , and poured oil upon the top of it .

As a Monument of Gods great kindness and gracious manifestation of himself to him; which might bring this Mercy to his remembrance in his return, Gen. 31. 13. This was an antient practise among the Patriarchs, Gen. 35. 14. but afterwards upon the growing abuse of it among the Heathens, it was forbidden by God, Levit. 26. 1. Deut. 7. 5. and 12. 3.

Which he brought with him either for Food or Medicine or for the anointing of himself, as need required.

As a token of his consecration thereof to this use to be a memorial of Gods favour to him. Oil was used in Sacrifices, and in the consecration of Persons and Places, Exod. 30. 25, 26. and 40. 9.

Marginal references: chap. 31. 45. and 35. 14.