What One Man Can Invent, Another Can

It Is, I Admit, Mere Imagination; But How Often Is Imagination The Mother Of Truth?

...while The Individual Man Is An Insoluble Puzzle, In The Aggregate He Becomes A Mathematical Certainty.

You See, But You Do Not Observe.

The More We Progress The More We Tend To Progress. We Advance Not In Arithmetical But In Geometrical Progression. We Draw Compound Interest On The Whole Capital Of Knowledge And Virtue Which Has Been Accumulated Since The Dawning Of Time.

One Forms Provisional Theories And Waits For Time Or Fuller Knowledge To Explode Them. A Bad Habit, Mr. Ferguson, But Human Nature Is Weak. Sherlock Holmes Speaking With Dr. Watson.