Thinkers of the Medieval Period

Sufyan al-Thawri
716 – 778
Religionquotes
If one tear falls on account of fear of God, it is better then fasting throughout life.

Imam Husayn ibn Ali (A.S.)
626 – 680
Religionquotes
Husayn ibn Ali was an Alid political and religious leader. The second son of Ali and Fatima and a grandson of the Islamic prophet Muhammad, as well as a younger brother of Hasan ibn Ali, Husayn is regarded as the third Imam in Shia Islam after his brother, Hasan, and before his son, Ali al-Sajjad. Husayn is a prominent member of the Ahl al-Bayt and is also considered to be a member of the Ahl al-Kisa and a participant in the event of the mubahala.
Associating with corrupt people makes you subject to suspicion.
Imam Hasan ibn Ali (A.S.)
625 – 670
Religionquotes
Hasan ibn Ali was an Alid political and religious leader. The eldest son of Ali and Fatima and a grandson of the Islamic prophet Muhammad, Hasan briefly ruled as caliph from January 661 until August 661. He is considered as the second Imam in Shia Islam, succeeding Ali and preceding his brother Husayn.
If you cannot teach knowledge, than you should teach your intuition.

As-Saffah
722 – 754
quotes
It is rare that bounty is given unasked but a just claim is destroyed thereby.
Hazrat Zaynab bint Ali (A.S.)
628 – 682
Religionquotes
Zaynab bint Ali, was the eldest daughter of Fatima and Ali ibn Abi Talib. The former was a daughter of the Islamic prophet Muhammad, and the latter was his cousin. Ali is also recognized as the fourth Rashidun caliph and the first Shia imam.
Imam Ja'far al-Sadiq (A.S.)
714 – 765
Religionquotes
Ja'far ibn Muhammad al-Sadiq was a Muslim scholar, jurist, hadith transmitter and the sixth and last agreed-upon Shia Imam amongst Twelvers and Isma'ilis. Known by the title al-Sadiq, Ja'far was the eponymous founder of the Ja'fari school of Islamic jurisprudence. In the canonical Twelver hadith collections, more traditions are cited from Ja'far than that of the other Imams combined, although their attribution to him is questionable, making it hard to determine his actual teachings.
Being cheerful and affable with people is by itself half of wisdom.

Umar II
681 – 720
Politicsquotes
Dr. Ali Muhammad as-Sallabi: Umar Bin Abd Al-Aziz, Darussalam Publications, New York, 2007

Muhammad bin Qasim
696 – 715
Militaryquotes
Muḥammad ibn al-Qāsim al-Thaqafī was an Arab military commander in service of the Umayyad Caliphate who led the Muslim conquest of Sindh, inaugurating the Umayyad campaigns in India. His military exploits led to the establishment of the Islamic province of Sindh, and the takeover of the region from the Sindhi Brahman dynasty and its ruler, Raja Dahir, who was subsequently decapitated with his head sent to al-Hajjaj ibn Yusuf in Basra. With the capture of the then-capital of Aror by Arab forces, Muhammad ibn al-Qasim became the first Muslim to have successfully captured Indian land, which marked the beginning of Muslim rule in South Asia.
‘eight, or some say twenty-six thousand, men were put to the sword.’
Words from October 18
"If one tear falls on account of fear of God, it is better then fasting throughout life."

Sufyan al-Thawri
716
"Sell not the friendship of the Lord for the friendship of the world and its possessions."

Sufyan al-Thawri
716
"Associating with corrupt people makes you subject to suspicion."

Imam Husayn ibn Ali (A.S.)
626
"Knowledge facilitates comprehension and experience increases wisdom."

Imam Husayn ibn Ali (A.S.)
626
"If you cannot teach knowledge, than you should teach your intuition."
Imam Hasan ibn Ali (A.S.)
625
"Thought, meditation and pondering is the life of clear sighted people"
Imam Hasan ibn Ali (A.S.)
625