Ramban

UNSTABLE (‘PACHAZ’) AS WATER, YOU HAVE NOT THE EXCELLENCY. Pachaz is a noun, derived from the expression, Vain and reckless (‘upachazim’) fellows, meaning “hasty and impulsive people.” Our Rabbis have made steady use of this word: “I was looking at my image in the water and my evil inclination rose (pachaz) within me,” that is “my evil inclination leaped upon me” They said further: “It is their recklessness (apichzeihu) which they are revealing,” meaning their impulsiveness. “A reckless (p’chizah) people, who spoke before listening, you still retain your recklessness (‘b’pachzuteich’),” meaning “hasty and impulsive.” It is possible that this word pachaz is a permutation of the word chipazon (hurry). and kesev, both of which mean “lamb,” and other similar words. Jacob was thus saying: “Since you burst forth as water, you shall no longer excel for thou wentest up to thy father’s place of repose in thy haste and impulsiveness. Then didst thou profane them, (places of repose), which is in the plural form. Hence Ramban writes otham (them). when your recklessness ascended my couch like the rising and gushing water.” This is similar to the Scriptural description of water: Now, therefore, behold, the Lord bringeth up upon them the waters of the river, mighty and many, even the king of Assyria and all his glory; and he shall come up over all his channels, and go over all his banks; and he shall sweep through Judah, overflowing as he passeth through. Our Rabbis have said: “Then didst thou profane He Who hovered over my couch, meaning the Shechinah” that used to abide above my [Jacob’s] couch. Yet the verse says, Forasmuch as he [Reuben] defiled his father’s couch,. Ramban proceeds to answer that Scripture modifies the expression out of respect for the Divine Presence. thus clearly stating that it was the couch which was defiled! But perhaps [out of respect for the Divine Presence, Scripture] modifies the expression there. But if [we accept the explanation that Scripture modifies the expression], it is possible that the word alah (going up) refers to [Jacob, thus saying, “then didst thou profane my couch upon which I used to go up],” just as in the verse, Nor go up into the bed that is spread for me. Thus Jacob’s intent is to say: “Then thou didst defile me;” He spoke in the third person, “he” went up. only as a matter of respect. Similarly, the verse, Forasmuch as he defiled his father’s couch, is a Scriptural modification, meaning “forasmuch as he [Reuben] defiled the one who goes up upon his father’s couch.” From the literal meaning of this verse it would appear as I have explained it in Seder Vayishlach, i.e., that it was Reuben’s intention to disqualify Bilhah from his father so that she should no longer give birth to children, thus lessening his share as the firstborn. It was for this reason that Jacob said to him that it was reckless and impulsive to think that he would gain thereby, whereas he had no profit from it but only loss.