American Standard Version
But Jesus said, Forbid him not: for there is no man who shall do a mighty work in my name, and be able quickly to speak evil of me.

Berean Study Bible
“Do not stop him,” Jesus replied. “For no one who performs a miracle in My name can turn around and speak evil of Me.

Douay-Rheims Bible
But Jesus said: Do not forbid him. For there is no man that doth a miracle in my name, and can soon speak ill of me.

English Revised Version
But Jesus said, Forbid him not: for there is no man which shall do a mighty work in my name, and be able quickly to speak evil of me.

King James Bible
But Jesus said, Forbid him not: for there is no man which shall do a miracle in my name, that can lightly speak evil of me.

World English Bible
But Jesus said, "Don't forbid him, for there is no one who will do a mighty work in my name, and be able quickly to speak evil of me.

Young's Literal Translation
And Jesus said, 'Forbid him not, for there is no one who shall do a mighty work in my name, and shall be able readily to speak evil of me:

Mark 9:39 Additional Translations ...