In "The Tyger," Blake takes time to ruminate on what kind of God could make a creature as fearsome as a tiger. In doing so, he employs an eighteenth-century concept known as "the sublime." The sublime refers to those aspects of nature that both fill us with awe at their beauty but also with terror at their power. Standing at the edge of a tall mountain peak and seeing both the majesty of the mountain while recognizing the smallness and weakness of humans in comparison to the God who could create such grandeur would be an example of the sublime.
Blake describes the tiger in terms of the sublime: it is both beautiful and terrifying. As Blake asks:
What immortal hand or eye,
Dare frame thy fearful symmetry?
Behind this question lurks another: what kind of God could unleash such destructive power on the earth? The tiger is beautiful, but its "symmetry" is used to pounce on the victims it will devour. Blake explicitly contrasts it to the lamb, asking "Did he who made the Lamb make thee?"
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