in and of itself
Intrinsically, considered alone. For example, In and of itself the plan might work, but I doubt that it will be approved. It is also put simply as in itself, as in This account may be true in itself. [First half of 1600s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.