But if this is so, if past and future are just two parts of the same whole, William Craig has asked, then why do we experience the future with anticipation or dread, and the past with nostalgia or regret? The answer is simple: because we have no knowledge of the future, and so react to it differently than we do to our past, which we do know. Our ‘anticipation’ and ‘dread’ are emotional responses to ignorance, a reaction to our time-based perspective: we can’t see over the next hill on the road. On the other hand, ‘nostalgia’ and ‘regret’ are emotional responses to knowledge, a reaction to what
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