What are the implications of the word "Kulchem"?
Rashi: In contrast to Matan Torah, where they approached Moshe in a civilized manner, the children sending the elders in front of them, and the elders showing respect to the leaders by allowing them to go first, as the Torah testifies in 5:20.
In a disorganized manner, a sure sign that it was the work of the Yeitzer ha'Ra.
What did the people want to know when they said "Veyashivu Osanu Davar", "es ha'Derech Asher Na'aleh bah, and "ve'es he'Arim asher Navo aleihem"?
The people asked to pick spies and send them. Why did Moshe pick them?
Seforno: Hashem suspected that the people would send Resha'im who would describe the Land in negative terms, 1 as a result of which the people would have rejected the Land outright and would not have gone on to do Teshuvah.
What are the implications of "Vayitav be'Einai ha'Davar"?
Rashi: It implies that although the request to send spies was good in Moshe's eyes, it was not good in the Eyes of Hashem.
The southern border of Eretz Yisrael begins with Midbar Tzin in the east, and later it is south of Kadesh Barne'a (Bamidbar 34:3,4). These are the same, for here it says that they sent the Meraglim from Kadesh Barne'a (see verse 19, and Yehoshua 14:7), and in Bamidbar (13:21) it says from Midbar Tzin!