In Luke 22, it says Judas drew near to Jesus to kiss him, but Jesus said to him, would you betray the son of man with a kiss? And so she had faith in his burial and resurrection. That was more important than what Judas was wanting to spend the money on. So that money that could have been given if the perfume was sold is a finite amount of money. People would have been helped, but he's here for something that's far greater. He helps us understand the world around us while also pointing forward to our ultimate victory.