Everyone in life strives for something. Some chase wealth, some fame, some power, or perhaps other things.
Regardless of what it is, once a person has a pursuit, they have a goal to move toward. Only, some lack the perseverance or get distracted by the scenery along the way, ultimately drifting away from their original destination.
Voldemort's perseverance was beyond doubt. For the sake of the goal in his heart, he even split his soul into several fragments, and even after turning himself into a monstrosity that was neither human nor ghost, he never forgot his original intention—to conquer Hogwarts.
Chapter 303