All the hundreds of millions of people who, in their time, believed the Earth was flat never succeeded in unrounding it by an inch. Isaac Asimov
Heaven blazing into the head Tragedy wrought to its uttermost. Though Hamlet rambles and Lear rages And all the drop-scenes drop at once Upon a hundred thousand stages It cannot grow by an inch or an ounce. William Butler Yeats
A miss by an inch is a miss by a mile. English Proverb