The Past Has No Effect on the Present: Timeline Flexibility
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The past has absolutely no effect on the present - except to the extent that you believe it does. As you change your present (by changing your present beliefs), you are 'shifting' into a different parallel reality and that different parallel reality The past has absolutely no effect on the present - except to the extent that you believe it does. As you change your present (by changing your present beliefs), you are 'shifting' into a different parallel reality and that different parallel reality has its own 'future' and 'past.' You create the past and the future from the here and now.
Source
Bashar channeling on The Past Has No Effect on the Present: Timeline Flexibility