Ordinary human laws are the means - however imperfect - by which we express our understanding of the enduring moral law.

The issue of environmental quality is one which transcends traditional political boundaries. It is a cause which can attract, and very sincerely, liberals, conservatives, radicals, reactionaries, freaks, and middle-class straights.

True conformity to the dictates of nature requires reverence for the past and solicitude for the future. 'Nature' is not simply the sensation of the passing moment; it is eternal, though we evanescent men experience only a fragment of it. We have no right to imperil the happiness of posterity by impudently tinkering with the heritage of humanity.

...so mankind is now trapped by the failure of its energies and by the depletion of those natural resources that men have plundered wantonly.

Sudden and slashing reforms are as perilous as sudden and slashing surgery.

...ambition without pious restraint must end in failure, often involving in its ruin that beautiful reverence which solaces common men for the obscurity and poverty of their lot.

Humility, which Burke ranked high among the virtues, is the only effectual restraint upon this congenital vanity; yet our world has nearly forgotten the nature of humility. Submission to the dictates of humility formerly was made palatable to man by the doctrine of grace; that elaborate doctrine has been overwhelmed by modern presumption.