NET
21 However, I will first tell you what is written in a dependable book. (There is no one who strengthens me against these princes, except Michael your prince.
Darby
21 However, I will declare unto thee that which is set down in the scripture of truth; and there is not one that sheweth himself strong with me against these, but Michael your prince.
KJV
21 But I will shew thee that which is noted in the scripture of truth: and [there is] none that holdeth with me in these things, but Michael your prince.