Shaquille O'Neal urges the Boston Celtics to maintain motivation and learn from past errors to secure a championship title.

The Celtics hold the top spot in the Eastern Conference, yet face scrutiny over frequent losses and excessive 3-point shot strategies.

Doubts persist about the team's playoff performance capabilities, with a spotlight on star player Jayson Tatum's big-game execution.

For championship contention, the Celtics must confront and rectify noted shortcomings.