Like most teachers, I'm just another sower of seeds.

Music does affect your opinions. Plato is supposed to have said "It's very dangerous to allow the wrong kind of music into the republic."

It's a very important thing to learn to talk to people you disagree with.

If it can’t be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted, then it should be restricted, redesigned or removed from production.

The truth is a rabbit in a bramble patch. All you can do is circle around and say it's somewhere in there.

However, the agricultural revolution took thousands of years, the Industrial Revolution took hundreds, and the information revolution only took decades. So, who knows what's going to happen in the next few decades, especially with the women's revolution.

We will never know everything. But I think if we can learn within the next few decades to face the danger we all are in, I believe there will be tens of millions, maybe hundreds of millions, of human beings working wherever they are to do something good.