“The sky was rarely more than pale blue or violet, with a profusion of mighty, weightless, ever-changing clouds towering up and sailing on it, but it has blue vigour in it, and at a short distance it painted the ranges of hills and the woods a fresh deep blue.”

“Contrast and compliment. The blue is never more blue than it is when paired with orange. And the orange is never bluer than when eaten on a cloud in the sky.”

“The only clouds are pale and thin, hung as high as they can manage, like cobwebs in the high arches of a stairwell, and the sky is a freshly scrubbed blue, as permanent-looking as the first day of the holidays.”

“At present I absolutely want to paint a starry sky. It often seems to me that night is still more richly coloured than the day; having hues of the most intense violets, blues and greens. If only you pay attention to it you will see that certain stars are lemon-yellow, others pink or a green, blue and forget-me-not brilliance. And without my expatiating on this theme it is obvious that putting little white dots on the blue-black is not enough to paint a starry sky.”

“She lies on the stripped bed, looking up at the pinhole in the roof. The sky is blue. Clouds pass over. Sky, air, clouds, the sun and moon; it's fine. It's the same as it ever was. She stares at the small spot of blue. She sleeps. She dreams. She wakes up feeling a little more and a little less like herself.”

“Rahel thought of the someone who had taken the trouble to go up there with cans of paint, white for the clouds, blue for the sky, silver for the jets, and brushes, and thinner.”