Once a kata has been learned, it must be practised repeatedly until it can be applied in an emergency, for knowledge of just the sequence of a kata in karate is useless.

There is no first strike in Karate.

It is not by accident that the happiest people are those who make a conscious effort to live useful lives. Their happiness, of course, is not a shallow exhilaration where life is one continuos intoxicating party. Rather, their happiness is a deep sense of inner peace that comes when they believe their lives have meaning and that they are making a difference for good in the world.

We work so hard to get somewhere, to realize a dream, to arrive at some destination, that we often forget that though some satisfaction may be waiting at the end of our endurance and effort, there is great and irreplaceable aliveness in the steps along the way.

It feels like everything's been decided in advance that I'm following a path somebody else has already mapped out for me. It doesn't matter how much I think things over, how much effort I put into it. In fact, the harder I try, the more I lose my sense of who I am. It's like my identity's an orbit that I've strayed far away from, and that really hurts. But more than that, it scares me. Just thinking about it makes me flinch.

In 1970, as a 26 year-old, I joined in the effort in my home state of Massachusetts to organize for Earth Day. But what made the event so successful was that I was only one of about 20 million Americans of all ages and backgrounds who got involved.