There was almost a universal acceptance of unhealthy conditions. Sulfur dioxide in smokestack emissions were the price, or smell, of prosperity.

Listen up, you couch potatoes: each recycled beer can saves enough electricity to run a television for three hours.

I feel more confident than ever that the power to save the planet rests with the individual consumer.

By the year 2000, such renewable energy sources could provide 40 percent of the global energy budget; by 2025, humanity could obtain 75 percent of its energy from solar resources.

When civilization stands at the edge of a cliff, a step forward doesn't make much sense.

It is already too late to avoid mass starvation.

We presently have the technology ... fuel cells, solar cells, hydrogen ... the opportunities are amazing for clean energy.

These are not exhortations from overwrought extremists, but carefully phrased warnings from some of the world's finest scientists.

I suppose I'd characterize myself as having a faith-based optimism. My faith is parental and Darwinian.

We got everyone's attention, but we didn't solve any environmental problems.

An acre of windy prairie could produce between $4,000 and 10,000 worth of electricity per year - which is far more than the value of the land's crop of corn or wheat.

Rectory always sounded to me like a place you would find a proctologist.

The practice of perfect virtue does not require teaching, but instructs others.

Life is short and evasive. This shortness and evasiveness of life is not predicated on numeric quantifiers, but embedded in the limitation on humans as mere mortals.

In the end no segregationist scheme has withstood the force of a simple idea: equality under law.

Definiteness of purpose is the starting point of all achievement.

Some great poet or philosopher once said that " he who goes to nature for comfort must go to her empty handed " , and I think he was right.

Time is the great workman of Nature.

He'd been waiting for a love fraught with passion and drama; it hadn't even occurred to him that true love might be something that was utterly comfortable and just plain easy.

In appropriate circumstances we are justified in using humans to achieve goals (or the goal of assisting animals).

Too soon did the doctors of the church forget that the heart--the moral nature--was the beginning and the end, and that truth, knowledge, and insight were comprehended in its expansion.