5 ideas
| 21753 | If we look at the world rationally, the world assumes a rational aspect [Hegel] |
| 21974 | The world seems rational to those who look at it rationally [Hegel] |
| 12712 | Substance is that which can act [Leibniz] |
| 12737 | Nature can be fully explained by final causes alone, or by efficient causes alone [Leibniz] |
| 14014 | Space alone, and time alone, will fade away, and only their union has an independent reality [Minkowski] |