She nodded. "It is hard to live without respecting these  creatures, they are  so large  they could just kill us if they wanted to. We worked hard to tame them. And your people worked much harder than ours I suppose." Since they rode meat eating ones, they had to control the meat eating lust of them. That had to be  difficult.<br/>"I hope our future will be  a great one, we know things that the people didn't know. We know how to make sure the Earth is healthy. We do not make technology that will hurt the earth. Yet, with how man is, they will most likely wish to make the things like we had before. We will have to help people make things that will not harm the earth, or we will be back to the future we left. Just how to warn our  decendants of such  things is what we need to figure  out."