4 ideas
6410 | The only real proper names are 'this' and 'that'; the rest are really definite descriptions. [Russell, by Grayling] |
12712 | Substance is that which can act [Leibniz] |
12737 | Nature can be fully explained by final causes alone, or by efficient causes alone [Leibniz] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |