IV: Light in the DarknessHowever well–tempered a man's character may be—and Herlock Sholmes is one of those men over whom ill–fortune has little or no hold—there are circumstances wherein the most courageous combatant feels the necessity of marshaling his forces before risking the chances of a battle. "I shall take a vacation to–day," said Sholmes. "And what shall I do?" asked Wilson. "You, Wilson—let me see! You can buy some underwear and linen to replenish our wardrobe, while I take a rest." "Very well, Sholmes, I will watch while you sleep." Wilson uttered these words with all the importance of a sentinel on guard at the outpost, and therefore exposed to the greatest danger. His chest was expanded; his muscles were tense. Assuming a shrewd look, he scrutinized, officially, the litt