Or HaChaim on Numbers 23:24/אור החיים על במדבר כ״ג:כ״ד

1 הן עם כלביא יקום "Behold, it is a nation that arises like a lion etc." The word הן suggests that the speaker concurs with something another person has said. An example would be what we learned in Shabbat 119 that on Friday night when the Jew returns from the synagogue to a house in which the table is set for the Sabbath meal, also the "evil angel" who accompanies him has to answer Amen to the wish expressed by the "good angel" that this Jew should do likewise in the week to follow. [The concept is preserved in the song יום שבת קדש הוא sung on Friday night, i.e. ומלאך רע יענה אמן. Ed.] In our situation Bileam expressed the wish that the Israelites continue their virtuous ways. Bileam mentions two categories of lion in this verse. לביא refers to a lion that arises for the first time. Soldiers who are inexperienced in battle do not usually distinguish themselves for bravery the first time they go to war. Not so the lion. He displays bravery already the first time he faces an adversary. Bileam applies this quality to the Jewish people. The Jewish people proved valiant though they had a history of hundreds of years of slavery behind them. Nonetheless they overcame such mighty kings as Sichon and Og. Bileam continues וכארי יתנשא, saying that unlike other nations who gradually lose their strength, becoming exhausted by the many wars they fight, the Israelites will lift themselves up like a mature lion time and again without showing signs of age.

2Bileam may also have alluded to the fact that in addition to the strength granted them by G'd, this people enjoyed a reputation that made other people shudder at the mere mention of their name, (compare Joshua 2,24 "all the inhabitants of the country have melted before us"). The words כלביא יקום describe Israel's actual valour; the words וכארי יתנשא describe its image amongst the nations.

3לא ישכב עד יאכל טרף "it will not lie down until it has consumed its prey." Other nations interrupt warfare at nightfall, giving the losers a respite; not so Israel. Once it is at war it will continue without interruption until successful. Compare Joshua 10,12-13 where Joshua is described as commanding time to stand still in order to complete the pursuit of his enemies. Israel is not ready to lie down until it consumes part of its prey.

4ודם חללים ישתה, "and it will drink the blood of the slain (enemies)." It is human nature that the more the casualties in war mount, the more important the value of the survivors. This is so when one thinks of the enemy in terms of life or death. Not so when the Jewish people go to war. Seeing they relate to the blood of the fallen as a drink to slake their thirst with, the number of fallen does not act as a brake on their desire to kill more of their enemies.

5Bileam was specific in describing the blood of the fallen as something the Israelites would drink, i.e. absorb into their bodies, thereby confirming what we have already mentioned that the spark of sanctity which was trapped inside the fallen soldier may have been released now and may yearn to attach itself to the sanctity of the Jewish soldier who liberated it. It may thus be absorbed by the Jewish soldier drinking it. [The whole verse is hyperbole, of course, as the consumption of blood is forbidden to Jews on pain of karet, premature death of the sinner, Ed.] I refer the reader to what we have written on Numbers 14,9 "for they are our bread." From this verse our sages in Chulin 35 derive that blood is considered a drink rather than a food in Jewish law.