4 ideas
19389 | Truth is a characteristic of possible thoughts [Leibniz] |
19388 | True and false seem to pertain to thoughts, yet unthought propositions seem to be true or false [Leibniz] |
22352 | Out of more than a hundred planets, Earth is the only one with the idea of free will [Vonnegut] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |