Commentary on Isaiah
Basil of Caesarea (330–379)
It is our task to pay diligent attention to the mind, so that it becomes clear-sighted, becoming perfect through appropriate exercises, while it is God's gift that the Spirit should illuminate us for the comprehension of his mysteries. The prophet puts "vision" first in his account and then introduces his report of the words, in order to show that he did not receive it through the faculty of hearing but is proclaiming the meaning of the word that has been impressed on his mind. For we need voice to indicate our thoughts, but God, affecting directly the very ruling aspect of the soul in those who are worthy, impresses on them the knowledge of his own will.
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