13 ideas
23269 | Philosophy must start from clearly observed facts [Galen] |
12268 | Contradiction is impossible [Antisthenes (I), by Aristotle] |
602 | Some fools think you cannot define anything, but only say what it is like [Antisthenes (I), by Aristotle] |
18801 | Classical negation is circular, if it relies on knowing negation-conditions from truth-conditions [Dummett] |
23266 | The spirit in the soul wants freedom, power and honour [Galen] |
23219 | Stopping the heart doesn't terminate activity; pressing the brain does that [Galen, by Cobb] |
23264 | Philosophers think faculties are in substances, and invent a faculty for every activity [Galen] |
23220 | The brain contains memory and reason, and is the source of sensation and decision [Galen] |
23265 | The rational part of the soul is the desire for truth, understanding and recollection [Galen] |
1664 | I would rather go mad than experience pleasure [Antisthenes (I)] |
21385 | Antisthenes said virtue is teachable and permanent, is life's goal, and is like universal wealth [Antisthenes (I), by Long] |
23268 | We execute irredeemable people, to protect ourselves, as a deterrent, and ending a bad life [Galen] |
2631 | Antisthenes says there is only one god, which is nature [Antisthenes (I), by Cicero] |