Vladimir Nabokov in writing mode.

“So now he is ready to write it [his novel]. He is fully equipped. His fountain pen is comfortably full, the house is quiet, the tobacco and the matches are together, the night is young… and we shall leave him in this pleasurable situation and gently steal out, and close the door, and firmly push out of the house, as we go, the monster of grim commonsense that is lumbering up the steps to whine that the book is not for the general public, that the book will never never——And right then, just before it blurts out the word S E, double-L , false commonsense must be shot dead”

From “The Art of Literature and Commonsense,” by Vladimir Nabokov (Read the complete essay here)