How the revolution has survived over four decade?

He used to walk down three storeys

Title of the Book: Impressions and Memoirs about Imam Khomeini's Practical Behaviour, vol. 1, chapter one, page 63

Imam recommended undertaking serious efforts in order to refine and purify

God blessed humans with power to refine and purify themselves, Imam Khomeini explained

Ayatollah Baqir al-Sadr termed Imam Khomeini as great divine treasure of contemporary history

Mohammad Baqir al-Sadr, who had great devotion towards Imam Khomeini, in a historic message had termed Imam the great divine treasure and strength for the Islamic societies in contemporary history.

Imam Khomeini: Our wish is to see Palestine and the Al-Aqsā Mosque cleansed of the Zionist ...

Sahifeh-ye-Imam. V 3. P 263

Imam's Letter to his Wife

We, thanks to God, are all right and passing the days in the usual way. Please keep us informed of your welfare...There is no fresh news to give. The same worrisome problems exist; and neither do we know what will happen...

Imam Khomeini's spouse was well aware of ultimate goal, endured great difficulties

Imam Khomeini's wife, known as the holy Lady of Iran or the lady of the revolution was a wise and patient woman. If one pays attention to her patience, one easily finds that it was with great wisdom. She knew of the ultimate goal they wanted to achieve and so she endured great difficulties.