Moses said: "I beg you, O Lord, I was not eloquent yesterday or the day before. And from the time that you have spoken to your servant, I have a greater impediment and slowness of tongue.
Other versions
King James Version
And Moses said unto the LORD, O my Lord, I am not eloquent, neither heretofore, nor since thou hast spoken unto thy servant: but I amEnglish Standard Version
But Moses said to the LORD, "Oh, my Lord, I am not eloquent, either in the past or since you have spoken to your servant, but I am slow of speech and of tongue."New International Version
Moses said to the LORD, "O Lord, I have never been eloquent, neither in the past nor since you have spoken to your servant. I am slow of speech and tongue."