Sure! Here's how the lines from the passage can be categorized according to the themes of "the preciousness of life" and "perceptions of reality":
The Preciousness of Life:
- He closed his eyes in order to fix his last thoughts upon his wife and children.
- By diving I could evade the bullets and, swimming vigorously, reach the bank, take to the woods and get away home.
Perceptions of Reality:
- They hurt his ear like the thrust of a knife; he feared he would shriek. What he heard was the ticking of his watch.
- Striking through the thought of his dear ones was sound which he could neither ignore nor understand, a sharp, distinct, metallic percussion like the stroke of a blacksmith’s hammer upon the anvil; it had the same ringing quality.
This organization illustrates how the protagonist clings to thoughts of his family as a representation of life's preciousness, while also grappling with his distorted perceptions shaped by the distressing sounds around him.