Effects Vary With The Conditions Which Bring

Put Off Your Imagination, As You Put Off Your Overcoat, When You Enter The Laboratory. Put It On Again, As You Put On Your Overcoat, When You Leave.

Even Mistaken Hypotheses And Theories Are Of Use In Leading To Discoveries. This Remark Is True In All The Sciences. The Alchemists Founded Chemistry By Pursuing Chimerical Problems And Theories Which Are False. In Physical Science, Which Is More Advanced Than Biology, We Might Still Cite Men Of Science Who Make Great Discoveries By Relying On False Theories.

The Doubter Is A True Man Of Science: He Doubts Only Himself And His Interpretations, But He Believes In Science.

Feeling Alone Guides The Mind.

[those] Who Have An Excessive Faith In Their Theories Or In Their Ideas Are Not Only Poorly Disposed To Make Discoveries, But They Also Make Very Poor Observations.