Philosophers ought to aspire to know lots of different things and to forge useful synthetic perspectives.

Refined religion is aimed at realizing ethical values, including the fostering of human lives and human communities.

The expert is a midwife. The expert is not someone who has the authority to pronounce the last word on the subject.

In ethics, we don't make progress by discovering pre-existent truths; we do so by solving problems.

In my current work on global warming, I argue that the only apparent solution to the deep problem of climate change would require very large transfers of wealth from rich nations to poor nations, so that the entire world can make the transition to renewable forms of energy as fast as possible.

Those citizens are distracted by the toys technology has supplied, and fail to recognize the ways in which what they most deeply want is made vulnerable by the coming disruptions of human relations on an over-heated planet.

If there are to be appropriate judgments about what questions are significant, you need both the informed views of scientists who know what has been achieved and what future developments are promising and the reflective judgments of representatives of different groups who can identify what kinds of information are most urgently needed.