4 ideas
16721 | Changes in secondary qualities are caused by changes in primary qualities [Giles of Orleans] |
5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
22881 | Should we value environmental systems for human benefit, or for their own sake? [Hildebrand] |
24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |