"By the strength within, I shall succeed" translates to "Με τη δύναμη μέσα μου, θα πετύχω".
strength = δύναμη
μέσα μου = inside me
You can also translate it to "Με την εσωτερική μου δύναμη, θα πετύχω".
εσωτερική = internal
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Vasiliki Baskou, Instructor/Director of https://learn-greek-online.com, since 2013.
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