Tobias adjusted his wings and appeared to tighten his talons on the branch. “Maybe you’re right. I don’t know. Look, Ax, it’s a whole new world. We’re having to make all this up as we go along. There aren’t any rules falling out of the sky telling us what and what not to do.”
“What exactly do you mean?”
“Too hard to explain right now,” Tobias said. “I just mean that we don’t really have any time-tested rules for dealing with these issues… So we have to see what works and what doesn’t. We can’t afford to get so locked into one idea that we defend it to the death, without really knowing if that idea works- in the real world.”
Animorphs, book 52: The Sacrifice