At last she told us the whole truth about her note to Sir Charles
Baskerville, but I had heard "truths" from Mrs. Laura Lyons before,
and I swore to myself that I would need more convincing than mere
words.  I was not sure whether Holmes felt the same as I did - whether
his subtle mind was laying another trap, or whether he believed her - 
for he told her that she had had a fortunate escape, and had been
walking for some months very near the edge of a precipice. He then
wished her good-morning, and told her that it was probable that she
should very shortly hear from us again.
We returned to the station to wait for the arrival of the express from
London. Holmes was well-pleased that difficulty after difficulty was
thinning away in front of us. He declared that soon he would be in a
position of being able to put into a single connected narrative one

