Deuteronomy 9:2
A people great and tall, the children of the Anakims, whom thou knowest, and of whom thou hast heard say, Who can stand before the children of Anak!
Cross-reference
Deuteronomy 2:11 identifies the Anakim as counted among the Rephaim — giving background on their giant status.
Deuteronomy 2:21 describes another people as 'great and tall, like the Anakim' — directly paralleling the description of the giants.
Deuteronomy 7:24 promises no one will stand against Israel — answering the rhetorical fear in 'who can stand before the sons of Anak?'
Deuteronomy 1:28 recounts the same fearful report about the Anakim that Moses reminds Israel of here.
Numbers 13:28 is the original spy report mentioning descendants of Anak — the source of the fear Moses recalls here.
Numbers 13:33 adds the 'grasshopper' comparison and identifies Anakim as Nephilim — intensifying the terror of the giants.
Joshua 11:21 records the conquest of the Anakim — showing the eventual defeat of the seemingly invincible giants.
1 Samuel 17:46 shows David's faith against Goliath — a direct contrast to the fearful 'who can stand' attitude about the Anakim.