What does the following passage mainly reveal about Odysseus?

Odysseus, as can be readily believed, had not overlooked this fact. His plan was to leave a single Greek behind in the deserted camp, primed with a tale calculated to make the Trojans draw the horse into the city — and without investigating it

This passage mainly reveals that Odysseus is a cunning and strategic thinker. He plans to deceive the Trojans by leaving a Greek soldier behind in the deserted camp with a story that will make the Trojans bring the wooden horse into their city without inspecting it closely. Odysseus's plan shows his cleverness and ability to devise intricate strategies to achieve his objectives.