began to give over my enterprise; and having hauled my boat into a little creek on the shore, I stepped out, and sat down upon a rising bit of ground, very pensive and anxious, between fear and desire, about my voyage; when, as I was musing, I could perceive that the tide was turned, and the flood come on; upon which my going was impracticable for so many hours.

Upon this, presently it occurred to me that I should go up to the highest piece of ground I could find, and observe, if I could, how the sets of the tide or currents lay when the flood came in, that I might judge whether, if I was driven one way out, I might not expect to be driven another way home, with the same rapidity of the currents. This thought was no sooner in my head than I cast my eye upon a little hill which sufficiently overlooked the sea both ways,