The third reason of the necessity of knowing the Imam of each era: "It is a condition of the acceptance of deeds ”

Muawiyah ibn Ammar asked Imam Sadiq about this verse “And to Allah belong the best names, so invoke Him by them.” (7:180). The Imam answered

 “I swear to God that we are the Lord’s Good Names so that God does not accept any deed of humans unless they know us

Usul al-Kafi, chapter: Al-navader

Indeed, what kind of knowledge is this? Which is so important? We’ll mention it later

Remaining patient in annoyance and denial

Imam Sadiq (PBUH): When you are faced with difficulty and hardship in our way, be patient and recommend each other to resist
Every person who is waiting for imam Mahdi and is patient in tolerating the annoyance and fear in this way, he will be in our company in the other world 
Mekyal al-Makarem, volume 2—  Rouzeh Kafi, page37

:Types of patience in the occultation based on narrations
 Being patient for the duration of the occultation
 Being patient against annoyance and denial and ridicule of the opponents.
 Being patient against calamities and disasters
 Being patient when you see believers’ calamities caused by enemies while you cannot defend them

Do you know what belongings of prophets are with Imam Mahdi (PBUH) and he brings them with him after the Reappearance

Do you know what belongings of prophets are with Imam Mahdi (PBUH) and he brings them 

? with him after the Reappearance

1-The casket of Adam, 2-The adz and other carpentry tools of Noah, 3-The collection of Ibrahim (Abraham), 4-The stick of Moses, 5-The stone of Moses, 6-The Torah of Moses, 7-The Tablets of Moses, 8-The casket of Moses, 9-The Gospel of Jesus, 10-The packsaddle used by Jesus, 11-The measure of Joseph, 12-The shirt of Joseph, 13-The crown of Solomon, 14-The ring of Solomon, 15-The measure of Shuaib, 16-The mirror of Shuaib, 17-The armor of David, 18-The patrimony of Hud and Saleh, 19-The shirt of Prophet Muhammad (PBUH), 20-The armor of Prophet Muhammad (PBUH), 21-The ring of Prophet Muhammad (PBUH), 22-The stick of Prophet Muhammad (PBUH), 23-The Zulfiqar sword, 24-The Mus'haf of Imam Ali(PBUH) (The Quran that is collected by Imam Ali), 25-The special treaty of Prophet Muhammad (PBUH), 26-The heritage of all prophets 

and all other divine books

 The Awaited Mahdi, p. 46 & 47

 Mu'jam al-Ahadith Imam Mahdi, vol. 3