Quote by J.K. Rowling
At that moment, Harry fully understood for the first time why people said Dumbledore was the only wizard Voldemort had ever feared. The look upon Dumbledore's face as he stared down at the unconscious form of Mad-Eye moody was more terrible than Harry could have ever imagined. There was no benign smile upon Dumbledore's face, no twinkle in the eyes behind the spectacles. There was cold fury in every line of the ancient face; a sense of power radiated from Dumbledore as though he were giving off burning heat.
Summary
This quote depicts a pivotal moment where Harry realizes why Dumbledore is commonly regarded as the only wizard Voldemort feared. By witnessing Dumbledore's intense fury directed at the unconscious Mad-Eye Moody, Harry's perception of Dumbledore drastically shifts. The absence of Dumbledore's normally gentle demeanor, replaced with an awe-inspiring display of power, reveals the depth of his strength and the extent of his abilities. This realization gives Harry a newfound understanding of the respect and fear others feel towards Dumbledore.
By J.K. Rowling