"I admit, Master Splinter, I had thought I was the only one who had given themselves over to the Darkness so thoroughly and yet served the Light."

"The way of ninjitsu is the way of deception, Master Riku," the humanoid rat said as the four humanoid turtles practiced their kata, "and those who study it must be able to cloak themselves in whatever is convenient to proceed in their mission. It may be easier for them to walk the path of darkness, but, as you well know, the choices were make earlier in our lives do not fully define us."