5 ideas
12712 | Substance is that which can act [Leibniz] |
6587 | It is always wrong to believe things on insufficient evidence [Clifford] |
12737 | Nature can be fully explained by final causes alone, or by efficient causes alone [Leibniz] |
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] |