https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/islands/sinclair-island/sinclair-island.md
The first was never to accept anything for true which I did not clearly know to be such; that is to say, carefully to avoid precipitancy and prejudice, and to comprise nothing more in my judgment than what was presented to my mind so clearly and distinctly as to exclude all ground of doubt.