Imam Khomeini's famous book "Forty Hadith" includes range of discussions

Imam Khomeini's selection and exposition of Forty ahadith that range over a broad area of Islamic philosophy, ideology, ethics, metaphysics and spirituality.

How did Imam suggest to resolve difference among scholars?

Imam Khomeini's personality trait is the key to success among the people.

Imam Khomeini: Vigilantly we should nullify these plots; we should serve our people energetically.

Sahifeh-ye-Imam. V 11, P 13

What is difference between divine and people feast?

Imam Khomeini: There is no difference in implementing justice between and among men and women, ...

Sahifeh-ye-Imam. V 6, P 401

World is a path to be followed to reach the destinations, Imam Khomeini highlighted

According to Imam Khomeini, the whole world is not the ultimate goal before the Prophets. Rather, it is a path to be followed to reach the destinations which is the high grade of humanity. If a creature reached that high human grade, one will achieve a happiness which is not limited just to this world. The ultimate goal is the world behind this one.

Human have proofs for existence of God and reality of the Resurrection, Imam Khomeini explains

Imam Khomeini explains difference between knowledge and faith by saying "sometimes you see that one has knowledge of these realities but has no faith."