4 ideas
18201 | General principles can be obvious in mathematics, but bold speculations in empirical science [Parsons,C] |
13160 | To exist and be understood, a multitude must first be reduced to a unity [Leibniz] |
13161 | Substances are everywhere in matter, like points in a line [Leibniz] |
19440 | How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya] |