4 ideas
13083 | The essence is the necessary properties, and the concept includes what is contingent [Leibniz] |
5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
20767 | Culture is now dominated by boredom, so universal it is unnoticed [Heidegger, by Aho] |
24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |