Numbers 24:9-10

9The Israelites are like a lion. When it is asleep, nobody is brave enough to wake it. God blesses those who bless you, Israel. And those who curse you are truly cursed.’

10When Balaam said that, Balak became very angry with him. He hit his hands together and he said to Balaam, ‘I asked you to come here and to curse my enemies, the Israelites. But you have blessed them three times!