“There’s a lot of concern... «K-PAX II: On A Beam of Light»

“There’s a lot of concern these days about the environment, for example.”
“The environment? You mean your environment.”
“Well, yes.”
“And to make your environment more tolerable for you, you recycle beer cans, plant trees—is that what you mean?”
“It’s a start, isn’t it?”
“Recycling is like putting a Band-Aid on a tumor, doc. And where are you going to plant a tree when there’s no place left to plant it?”
“Is that what you meant when you said in your report that we are yet children?”
<...>
“Let me put it this way: When you stop making killing seem admirable, when motherhood becomes less important than survival—not just your survival, but that of all the other creatures on your PLANET—you’ll be on your way to adulthood.”
“Lions kill! So do eagles and bears and—”
“They have no choice. You do.”