'Say: I am but a man like yourselves, (but) The inspiration has come to me ...' (Q.18:110) in relation to Kalimat sh-shahādah, the verse quoted above
Answer Details
The verse "Say: I am but a man like yourselves, (but) The inspiration has come to me ..." (Q.18:110) is related to the Kalimat sh-shahādah, which is the declaration of faith in Islam.
The verse emphasizes a part of the content of the Kalimat sh-shahādah, which is the belief in the prophethood of Muhammad (S.A.W.) and his humanity. The verse indicates that Muhammad (S.A.W.) was a human being like any other, but he received divine revelation (inspiration) from Allah (God). Muslims believe that Muhammad (S.A.W.) is not divine, but he was chosen by Allah to be His final messenger and to convey His message to humanity.
The Kalimat sh-shahādah consists of two parts: "There is no god but Allah" and "Muhammad is the messenger of Allah." The verse quoted above relates to the second part of the shahādah, emphasizing that Muhammad (S.A.W.) was a human being and not divine. It serves as a reminder to Muslims that they should not worship Muhammad (S.A.W.), but rather worship Allah alone.
Therefore, the answer to the question is that the verse "Say: I am but a man like yourselves, (but) The inspiration has come to me ..." (Q.18:110) emphasizes a part of the content of the Kalimat sh-shahādah, which is the belief in the prophethood of Muhammad (S.A.W.) and his humanity.