Which detail from the passage best shapes the theme that one should only discuss the outcome of a task when it is complete?
"He refitted my bait, and, putting the pole again in my hands, told me to try my luck once more."
"My uncle, who knew by long experience where were the best haunts of pickerel, considerately placed me at the most favorable point."
'"Uncle!' I cried, looking back in uncontrollable excitement, 'I've got a fish!'"
'"It's no use to boast of anything until it's done, nor then, either, for it speaks for itself."'