O those who have faith have patience and be prepared to...
O those who have faith have patience and be prepared to fight the enemy and be careful about the chastisement of Allah, so that you get salvation. (Surah Ale-Imran 3:200) Most commentators have said that it means to have patience on ones religion and to remain steadfast while fighting against the unbelievers and to be alert against the enemies so that they may not attack the borders Muslim territories.
Ibne Babawayh and others has narrated from Imam Sadiq (a.s.) that he said: Have patience on observing Taqaiyyah against the opponents and do not get separated from your Imam who is your leader.
Ayyashi has narrated from the same Imam that: Have patience on the troubles that you experience while refraining from sins and while performing the worship of Allah and cultivate the connection on the path of Allah, which He has provided between Himself and His creatures and those who think about us and wait for us is like one who has performed the holy war in the defence of the Holy Prophet (S); and fearing Allah means to enjoin the people goodness and to forbid evil and which evil is worse than the injustice that this Ummat has committed upon us and martyred us.
Also from authentic chains from the same Hazrat there is a tradition that: Have patience on performing worship acts and on the hardships and make yourself steadfast in following the Imams. Yaqoob Sarraj has also narrated that I asked Imam Sadiq (a.s.) whether the Earth can remain without a scholar, who may be from you, in whom people can take shelter and ask their religions questions. He replied: No, if the Earth is without any Imam there will be no worship of Allah on it. O Yaqoob!
The Earth is never devoid of a scholar from us whose Imamate becomes apparent for the people, who ask from him the permissible and the prohibited and this is apparent through the book of Allah. The Hazrat recited this verse and said: Have patience on your religion and have patience upon the injustice of your enemies who are against your religion and keep yourself connected to your Imam and fear Allah regarding that which He has ordered and made incumbent upon you.
According to another tradition he said: Be patient for the sake of our love on the hardships that reaches you and observe Taqaiyyah from your enemy. Follow your Imam and do not be separated from Him.