| Link | Quote | Stars | Tags | Author |
| f9bccc8 | Reasoning and observation, duly combined, are the means of this knowledge. | The Positive Philosophy of Auguste Comte | ||
| bb4f118 | We shall treat of chemistry, but not of ... secondary to it. | The Positive Philosophy of Auguste Comte | ||
| c64bb61 | This remarkable generality is the basis of the loftiest views of the geometers. | The Positive Philosophy of Auguste Comte |