11 ideas
| 19336 | Wisdom involves the desire to achieve perfection [Leibniz] |
| 19404 | Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz] |
| 7696 | Leibniz first asked 'why is there something rather than nothing?' [Leibniz, by Jacquette] |
| 19341 | There must be a straining towards existence in the essence of all possible things [Leibniz] |
| 19428 | Because something does exist, there must be a drive in possible things towards existence [Leibniz] |
| 5047 | The world is physically necessary, as its contrary would imply imperfection or moral absurdity [Leibniz] |
| 19343 | We follow the practical rule which always seeks maximum effect for minimum cost [Leibniz] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 19429 | The principle of determination in things obtains the greatest effect with the least effort [Leibniz] |
| 19403 | Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |