American Standard Version (ASV):
But Jehovah said unto me, Say not, I am a child; for to whomsoever I shall send thee thou shalt go, and whatsoever I shall command thee thou shalt speak.
King James Version (KJV):
But the LORD said unto me, Say not, I [am] a child: for thou shalt go to all that I shall send thee, and whatsoever I command thee thou shalt speak.