The drops of rain make a hole in the stone not by violence but by oft falling. – Lucretius

Look at a stone cutter hammering away at his rock, perhaps a hundred times without as much as a crack showing in it. Yet at the hundred-and-first blow it will split in two, and I know it was not the last blow that did it, but all that had gone before. – Jacob A. Riis

When the world says, “Give up,” Hope whispers, “Try it one more time.” – Author Unknown