5 ideas
21552 | Common speech is vague; its vocabulary and syntax must be modified, for precision [Russell] |
21551 | Empirical words need ostensive definition, which makes them egocentric [Russell] |
9807 | In pursuing truth, anything less certain than mathematics is a waste of time [Descartes] |
21550 | Science reduces indexicals to a minimum, but they can never be eliminated from empirical matters [Russell] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |