They never learn. Such a pity.
Read more Lord Voldemort QuotesFrom: Harry Potter and the Deathly Hallows: Part 2 (2011)
Lucius Malfoy : My Lord... might it... be less, uh - might it not be more prudent to call off this attack and simply seek the boy yourself?Lord Voldemo I do not need to seek the boy! Before the night is out, he will come to ME! Do you understand!Lord Voldemort : Look at me! How can you live with yourself, Lucius?Lucius Malfoy : I don't know.Lord Voldemort : Go and find Severus. Bring him to me.
I know that many of you want to fight. Some of you may even think that to fight is wise, but this is folly. Give me Harry Potter. Do this and none shall be harmed. Give me Harry Potter and I shall leave Hogwarts untouched. Give me Harry Potter and you will be rewarded. You have one hour.
Harry Potter : We have to go there, now.Hermione Granger : What? We can't do that! We've got to plan! We've got to figure it out...Harry Potter : Hermione! When have any of our plans ever actually worked? We plan, we get there, all hell breaks loose!