"The Senju clan can't lose Wood Release. If they're wiped out, who will I get to make my wands?"
"The Uchiha clan can't be wiped out either. Their hair isn't as good as the Senju's, but it still works nicely for wand cores."
"Our Uzumaki clan can't die out either. If we do, the Senju and Uchiha will fight each other to the ends of the earth."
"Mito, if that little brat Hashirama dares to fool around after you get married, use the Cruciatus Curse on him!"
"Izuna is much more reliable than his brother. At least he isn't obsessive, unlike his brother, who's a potential hentai."
"I'm planning to build a magic school and take on lots of disciples, so the light of magic can shine in every corner of the ninja world."
"But come to think of it..."
"If I teach magic in the ninja world, won't people chase me down and beat me to death?"