"Future generations are not going to forgive us for the way we are destroying the planet."

"I am not an alarmist, but I am gravely concerned about the future of life on Earth."

"We cannot have peace among men whose hearts delight in killing any living creature."

"We need to re-establish our connection with the natural world. It is essential for our well-being."

"I am not advocating for a return to the Stone Age, but for a more responsible approach to our use of technology."