Wiser, never wise. Smarter, never smart.

Lack of education turns soldiers into killing machines.

There's no such thing as designing the perfect utopian city. Everything is subject to change. There are no final frontiers.

We have more than enough to take care of everybody on earth at this time. If we have a shortage of anything, it's very easy for science to make a substitute material. There's no shortage of anything except brains in Washington.

You cannot approach people who think differently with reason and logic if they don't know what that means. First, you have to appeal to their values to start with. If you attack them, you lose them.

We are all an integral part of the chain of life.

If your values are not related to the Earth or realistic, you'll believe in things that aren't so, which will hurt you in the long run, and as a species, too.