"Before, prior to. There is no difference between these two except length and a certain affectedness on the part of 'prior to.' To paraphrase Bernstein, if you would use 'posterior to' instead of 'after,' then by all means use 'prior to' instead of 'before."

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You know the great thing, though, is that change can be so constant you don't even feel the difference until there is one. It can be so slow that you don't even notice that your life is better or worse, until it is. Or it can just blow you away, make you something different in an instant.

— Mark Andrus