I am the most incurably lazy devil that ever stood in shoe leather. - Arthur Conan Doyle

A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber room of his library, where he can get it if he wants it.

"The division seems rather unfair," I remarked. "You have done
all the work in this business. I get a wife out of it, Jones gets
the credit, pray what remains for you?"
"For me," said Sherlock Holmes, "there still remains the
cocaine-bottle." And he stretched his long white hand up for
it.

It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.