Imam Khomeini explained how sins corrupt the heart

Imam Khomeini through his books and works explained that not only are these illnesses unaccompanied by pain, but they also bring apparent pleasure. Meetings and sessions of backbiting are very warm and sweet! Love of the self and love of the world, which are the roots of all sins, are pleasurable.

Imam Khomeini Underscored Status of Divine Savior

All tasks should be done for God sake, Imam Khomeini explained

Imam Emphasized on Following the Holy Prophet's Teachings.

The founder of the Islamic Republic invited the Islamic community and all nations of the world to follow conduct of the holy prophet of Islam and his infallible successor. 

Unwavering faith and unity of expression; the secret of victory

According to Imam, Why some hearts don’t really surrender themselves to reason?

Revisiting Ayatollah Khomeini’s Doctrine of Wilayat al-Faqıh (Velayat-e Faqıh)

Imam's letter to the Soviet Union leader contained much wisdom and sound advice

Imam Khomeini then suggested that, if Mikhail Gorbachev desired to become more familiar with Islamic concepts, the Soviet leader should command his scholars to study the philosophical works of al-Farabi, Avicenna, Sohravardi and Mullah Sadra to become familiar with the “nature of knowledge” which is different from the “nature of matter.”