My observations on clouds and skies are on scraps and bits of paper,…

It is so ambiguous as to be scarcely intelligible in some parts (and those the principal), yet as a whole, it is novel and affecting.

When I sit down to make a sketch from nature, the first thing I try to do is to forget that I have ever seen a picture.

I have been living a hermit-life, though always with my pencil in my hand.. .How much real delight have I had with the study of landscape this summer! Either I am myself improved in the art of seeing nature, which Sir Joshua call painting, …

I paint by all the daylight we have and that is little enough, less perhaps than you have by much... imagine to yourself how a purl must look through a burnt glass.

There is room enough for a natural 'painture'. The great vice of the present day is bravura, an attempt to do something beyond the truth. In endeavouring to do something better than well, they do what in reality is good for nothing. …

But You know, Landscape is my mistress — 't is to her that I look for fame — and all that the warmth of the imagination renders dear to Man.