5 ideas
| 13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
| 22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
| 6027 | From the fact that some men die, we cannot infer that they all do [Philodemus] |
| 22241 | Don't fear god or worry about death; the good is easily got and the terrible easily cured [Philodemus] |
| 20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |