in Thoreau’s Journal:

As for the weather, all seasons are pretty much alike to one who is actively at work in the woods. I should say that there were two or three remarkably warm days, and as many cold ones in the course of the year, but the rest are all alike in respect to temperature. This is my answer to my acquaintances, who ask if I have not found it very cold being out all day….

There are certain places where the ice will always be open, where, perchance, warmer springs come in. There are such places in every character, genial and open in the coldest seasons.