Chapter: 23, Verse: 1 - The believers are successfull

From a long hadith narrated from Imam Sadiq (عليه السلام) describing the birth of Imam Ali (عليه السلام) in the Holy Kabah:

قَالَ: ثُمَّ دَخَلَ رَسُولُ اللَّهِ (صَلَّى اللَّهُ عَلَيْهِ وَ آلِهِ)، فَلَمَّا دَخَلَ اهْتَزَّ لَهُ أَمِيرُ الْمُؤْمِنِينَ (عَلَيْهِ السَّلَامُ) وَ ضَحِكَ فِي وَجْهِهِ، وَ قَالَ: السَّلَامُ عَلَيْكَ، يَا رَسُولَ اللَّهِ، وَ رَحْمَةُ اللَّهِ وَ بَرَكَاتُهُ. ثم تنحنح بإذن الله ( تعالى ) ، وقال : ( بسم الله الرحمن الرحيم * قد أفلح المؤمنون * الذين هم في صلاتهم خاشعون ) إلى آخر الآيات. فقال رسول الله صلى‌الله‌عليه‌وآله : قد أفلحوا بك

"When the Messenger of Allah (صلى الله عليه وآله) came in, Amir al-Momineen (عليه السلام) was greatly affected by it and He smiled by looking at the Prophets face and said, "Salutations be upon you, O Messenger of Allah (صلى الله عليه وآله) and His mercy and blessings be upon You.

Then Imam Ali (as) cleared His throat and said "Indeed the Believers are successfull, who are humble in their prayers" (23:1-2) -  till the end of the Surah.

Hearing this the Prophet (صلى عليه وآله) said, "Indeed the believers are successful through You"

[Source: al-Amali - Shaikh Toosi, Pg. 708]

Chapter: 23, Verse: 60 - Fear of falling short (being Muqassireen) in the love and obedience of AhlulBait (as)

علي بن إبراهيم، عن أبيه، وعلي بن محمد القاساني، جميعا، عن القاسم بن محمد عن سليمان المنقري، عن حفص بن غياث قال سمعت أبا عبد الله يقول: إن قدرت أن لا تعرف فافعل وما عليك ألا يثني عليك الناس وما عليك أن تكون مذموما عند الناس إذا كنت محمودا عند الله، ثم قال: قال أبي علي بن أبي طالب (عليه السلام)

لا خير في العيش إلا لرجلين رجل يزداد كل يوم خيرا ورجل يتدارك منيته بالتوبة وأنى له بالتوبة والله لو سجد حتى ينقطع عنقه ما قبل الله تبارك وتعالى منه إلا بولايتنا أهل البيت، ألا ومن عرف حقنا ورجا الثواب فينا ورضي بقوته نصف مد في كل يوم وما ستر عورته وما أكن رأسه وهم والله في ذلك خائفون وجلون ودوا أنه حظهم من الدنيا وكذلك وصفهم الله عز وجل فقال: " والذين يؤتون ما آتوا وقلوبهم وجلة أنهم إلى ربهم راجعون" ثم قال: ما الذي آتوا؟ آتوا والله مع الطاعة المحبة والولاية وهم في ذلك خائفون، ليس خوفهم خوف شك ولكنهم خافوا أن يكونوا مقصرين في محبتنا وطاعتنا

Narrated that Abu Abd Allah Imam Sadiq (as) said, 

"If you can remain unknown, then do so. There will be nothing wrong if people will not praise you. There is nothing wrong for you if people criticize/rebuke you as long as you are praiseworthy near (in sight of) Allah (swt)."

The Imam (as) said, "My father Amir al-Muminin, Ali ibn abu Talib (as) has said, "There is nothing good in life except for two kinds of people: a man who every day increases his good deeds and a man who every day makes correct a bad deed (desire) with repentance.

How can for him be repentence (Tawbah)? By Allah, if he would perform a Sajdah prostration for such a length of time that his neck cuts off from his body, still Allah (swt) will not accept his repentance without his acknowledgement of the Wilayah (Divine Authority) of Ahl al-Bayt (as).

Truly! Whoever recognizes our rights and has hope for rewards because of us. He agrees, for his survival, to half of a one time meal every day, and with that which provides him covering for his privacy, his or her head, and with it, by Allah, they live in fear and apprehension and love to agree with this much as their share from the world and this is how Allah, the Majestic, the Glorious, has described them, "Those who bring what they bring and whose hearts are afraid of their return to their Lord." (23:60)

Imam (as) said, "What do they bring? They, by Allah, will bring along with obedience, love and Wilayat [of AhlulBait (as)] and they still will be afraid. Their fear is not due to doubts, but it is due to their fear of falling short (being Muqassireen) in our love and obedience."

[Source: al-Kafi, Vol. 2, Pg. 456-457]