Usul al-Kafi
Book 5:
The Book of Belief and Disbelief

Chapter 101
Contentment and patience

1065. 1. Imam Muhammad al-Baqir (p): A person who is sound in his opinion is not harmed by what people say about him, even if they call him a lunatic … (B5,C101,T1)

1066. 3. Imam Muhammad al-Baqir (p): A person whom God has made cognizant of this fact (that Imam Ali (p) and the eleven Imams (p) are the God-Ordained, sinless and infallible vicegerents of Prophet Muhammad (p)), is not perturbed even if he has to live on the peak of a mountain and has to eat only wild vegetation until his death.