Critique of Judgement by Immanuel Kant Chapter 28 Page 6

might have to submit to this dominion. In this way nature is not judged to be sublime in our aesthetical judgements, in so far as it excites fear; but because it calls up that power in us (which is not nature) of regarding as small the things about which we are solicitous (goods, health, and life), and of regarding its might (to which we are no doubt subjected in respect of these things), as nevertheless without any dominion over us and our personality to which we must bow where our highest fundamental propositions, and their assertion or abandonment, are concerned.

Therefore nature is here called sublime merely because it elevates the Imagination to a presentation of those cases in which the mind can make felt the proper sublimity of its destination, in comparison with nature itself.