David and his men immediately set out for Jerusalem to take on the Jebusites, who lived in that country. But they said, "You might as well go home! Even the blind and the lame could keep you out. You can't get in here!" They had convinced themselves that David couldn't break through.
But David went right ahead and captured the fortress of Zion, known ever since as the City of David.
That day David said, "To get the best of these Jebusites, one must target the water system, not to mention this so-called lame and blind bunch that David hates." (In fact, he was so sick and tired of it, people coined the expression, "No lame and blind allowed in the palace.")
David made the fortress city his home and named it "City of David." He developed the city from the outside terraces inward.
David proceeded with a longer stride, a larger embrace since the God-of-the-Angel-Armies was with him.