Ezekiel 2:4

2:4 The people to whom I am sending you are obstinate and hard-hearted, and you must say to them, ‘This is what the sovereign Lord says.’

Ezekiel 3:7

3:7 But the house of Israel is unwilling to listen to you, because they are not willing to listen to me, for the whole house of Israel is hard-headed and hard-hearted.