an idiomatic phrase that warns us against pollyannaism is counting one's chickens before they hatch

phthalo blue:

Some years since, on a journey into Kent, and sitting on the box beside the dragsman, I was surprised to see him turn out of a fine piece of road which had the most moderate, and, in my idea, most insignificant slope, in order to whip his horses over a deep and fresh laid piece of gravel.

internal feelings