I write in the afternoon, from about 12 until 6 or 7. I use an upstairs room as my office. Once I get going I keep at it, and it usually takes about six months from the first blank screen until 'The End.' Lee Child
There's no sort o' mistake in little Bullet. He can pick up miles on his feet, and fling 'em behind him as fast as the next man's hoss, I don't care where he comes from. And he can keep at it as long as the sun can shine without resting. Augustus Baldwin Longstreet
Listen, said the chief clerk in the next room, he's turning the key. Gregor was greatly encouraged by this; but they all should have been calling to him, his father and his mother too: Well done, Gregor, they should have cried, keep at it, keep hold of the lock! And with the idea that they were all excitedly following his efforts, he bit on the key with all his strength, paying no attention to the pain he was causing himself.
He had been out with his serving-man in the morning at Ross, and he had told the man that he must hurry, as he had an appointment of importance to keep at three.