"Weakness in writing"

1. Ether 12: 23, 40
   23 And I said unto him: Lord, the Gentiles will mock at these things, because of our weakness in writing; for Lord thou hast made us mighty in word by faith, but thou hast not made us mighty in writing; for thou hast made all this people that they could speak much, because of the Holy Ghost which thou hast given them;
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   40 And only a few have I written, because of my weakness in writing.