What are the connotations of "Vayisa Bil'am es Einav"?
Rashi: He looked up in order to give Yisrael an Ayin ha'Ra. 1
Rashi: Now presenting us with Bil'am's three bad Midos - Ayin ha'Ra
What exactly did Bil'am see?
Rashi and Targum Yonasan: He saw that each tribe dwelt within its own borders (in their Batei Midrashim - Targum Yonasan) 1 and how the openings of their tents did not face one another, so that one man should not peep into his friend's tent.
See Peirush Yonasan).
What is the significance of the phrase "Vat'hi alav Ru'ach Elokim"?
It entered his mind not to curse them.
Targum Onkelos and Targum Yonasan: 'There came upon him a spirit of prophecy'.