'Elves began it, of course, waking trees up and teaching them to speak and learn their tree-talk. They always wished to talk to everything, the old Elves did. But then the Great Darkness came, and they passed away over the Sea, or fled into far valleys and hid themselves.'
'Things have changed. Some of us are still true Ents, and lively enough in our fashion, but many are growing sleepy, going tree-ish, as you might say. Most of the trees are just trees, of course; but many are half awake. Some are quite wide awake, and a few are, well, ah, well getting Entish. That is going on all the time.'