Entering into a collection with above one,000 episodes is daunting, but A single Piece is worthwhile. It isn't really regarded as the greatest anime of all time for very little. One Piece gives many of the most intricate, sophisticated globe-constructing and finest storytelling in anime.
2021 update: I have been about the fence about deleting this because it's so poorly written, I had been 17 at time of writing instead of a local here speaker, and my viewpoint on one piece and anime generally speaking has adjusted drastically for your even worse.