5 ideas
12733 | Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz] |
12734 | Every necessary proposition is demonstrable to someone who understands [Leibniz] |
541 | Virtue comes more from habit than character [Critias] |
651 | Eurytus showed that numbers underlie things by making pictures of creatures out of pebbles [Eurytus, by Aristotle] |
542 | Fear of the gods was invented to discourage secret sin [Critias] |