Exodus 4:5-7

Young's Literal Translation

⁵ `-- so that they believe that Jehovah, God of their fathers, hath appeared unto thee, God of Abraham, God of Isaac, and God of Jacob.'

⁶ And Jehovah saith to him again, `Put in, I pray thee, thy hand into thy bosom;' and he putteth in his hand into his bosom, and he bringeth it out, and lo, his hand [is] leprous as snow;

⁷ and He saith, `Put back thy hand unto thy bosom;' and he putteth back his hand unto his bosom, and he bringeth it out from his bosom, and lo, it hath turned back as his flesh --