Not sure if it counts, but from the Zul'Aman trailer:
"De Amani never give up! We never forget! We never die... Dis is our land. You wanna stay, you stay here forever! We gonna bury you here."
Also, a lot of Kael'thas's quotes from Tempest Keep:
"Energy. Power. My people are addicted to it. Their dependence made manifest after the Sunwell was destroyed. Welcome to the future, a pity you were too late to stop it. No one can stop me now! Selama Ashal'anore."
"Perhaps I have underestimated you. It would be unfair to make you fight all four advisers at once but... fair treatment was never shown to my people. I'm just returning the favor."