The same rule applies to Baha'u'llah's teachings. What is God's will? It is to use His standards, not our own. Two of the most essential standards our Creator asks us to use are these:

Good fruits & Fulfillment of prophecies (4:23)

Baha'u'llah fulfills both of these standards. He fulfills the second one on a scale that has never been seen before. (4:24)

References:
1,7,9. hwd (Persian) no. 36, 68, 80.
2. swb 103.
3. pup 148.
4. kiq 3.
5,10. gwb 136, 216.
6. hwd (Arabic), no. 59.
8. pt 138. (4:25)

End of Book