Those who want to sow discord are neither Sunni nor Shia, they are agents of the superpowers and work for them. Source: Imam Khomeini on Islamic Unity

Shia and Sunni brothers should avoid every kind of dispute. Today, discord among us will only benefit those who follow neither Shia nor Hanafi. They neither want this nor that to exist… Source: Imam Khomeini on Islamic Unity

We must pay attention that we are all Muslims and we all believe in the Qur’an; we all believe in Tawheed and must work to serve the Qur’an and Tawheed. Source: Imam Khomeini on Islamic Unity

If Islamic brotherhood comes forth in Islamic countries, they will become a great power which none of the global powers will be able to cope with. Source: Imam Khomeini on Islamic Unity

You will also notice that obedience to God gives ample pleasure. Source: Forty Hadith | Imam Khomeini (R)