Do not burn yourselves out. Be as I am - a reluctant enthusiast... a part-time crusader, a half-hearted fanatic. Save the other half of yourselves and your lives for pleasure and adventure.

All revolutions have failed? Perhaps. But rebellion for good cause is self- justifying -- a good in itself. Rebellion transforms slaves into human beings, if only for an hour.

For this world that men have made, none of us is bad enough. For the world that made us, none is good enough.

Simply because humankind have the power now to meddle or 'manage' or 'exercise stewardship' in every nook and cranny of the world does not mean that we have a right to do so. Even less, the obligation.

Life is too short for grief. Or regret. Or bullshit.

When riding my old Harley a ninety per at midnight down the Via Roma in Naples, I kept one consolation firmly in mind: If anything goes wrong, I'll never have time to regret it.

It seems clear at last that our love for the natural world-Nature-is the only means by which we can requite God's obvious love for it.