A sketch will not serve more than one state of mind & will not serve to drink at again & again — in a sketch there is nothing but the one state of mind — that which you were in at the time.

I do not consider myself at work unless I am before a six-foot canvas.

Painting is a science, and should be pursued as an inquiry into the laws of nature. Why, then, may not landscape painting be considered as a branch of natural philosophy, of which pictures are but the experiments?

The world is wide; no two days are alike, nor even two hours; neither were there ever two leaves of a tree alike since the creation of the world; and the genuine productions of art, like those of nature, are all distinct from one another.

I never saw an ugly thing in my life.

The output is far from smooth, and the impact on dispatchable plant required to deal with residual demand is highly significant. Our view is that plant operating under these conditions in the support role for wind will suffer: 1) reduced availability, 2) significantly reduced efficiency, and thus 3) higher emissions per MWh generated.

I never saw an ugly thing in my life: for let the form of an object be what it may - light, shade, and perspective will always make it beautiful.