Aisha (may Allah be pleased with her) narrates that the Prophet (peace and blessings be upon him) said: "I do not like to imitate anyone, even if I were given such and such wealth." Tirmidhi has narrated it and declared it authentic. Its chain is authentic, narrated by Tirmidhi.
Hadith Referenceمشكوة المصابيح / كتاب الآداب / 4857
Hadith Gradingالألبانی:صَحِيح | زبیر علی زئی:إسناده صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «إسناده صحيح، رواه الترمذي (2503)»