5 ideas
13165 | Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus] |
20618 | Persons must be conscious, reasoning, motivated, communicative, self-aware [Warren, by Tuckness/Wolf] |
9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |