I also saw under the sun this example of wisdom1 that greatly impressed me:
References for Ecclesiastes 9:13
There was once a small city with only a few people in it. And a powerful king came against it, surrounded it and built huge siegeworks against it.
Now there lived in that city a man poor but wise, and he saved the city by his wisdom. But nobody remembered that poor man.2
References for Ecclesiastes 9:15
So I said, "Wisdom is better than strength." But the poor man's wisdom is despised, and his words are no longer heeded.3
References for Ecclesiastes 9:16