He looked down into the water and watched the lines that went straight down into the dark of the water. He kept them straighter than anyone did, so that at each level in the darkness of the stream there would be a bait waiting exactly where he wished it to be for any fish that swam there. Others let them drift with the current and sometimes they were at sixty fathoms when the fishermen thought they were at a hundred.
But, he thought, I keep them with precision. Only I have no luck any more. But who knows? Maybe today. Every day is a new day. It is better to be lucky. But I would rather be exact. Then when luck comes you are ready.
Ernest Hemmingway "The Old Man and The Sea"