Could you mention the reference for this narration?
عليك بالصدق وإن قتلك الصدق
Imam Ibn Hibban (rahimahullah) has recorded this as part of a lengthy narration wherein Sayyiduna ‘Umar (radiyallahu ’anhu) offered eighteen advices.
(Rawdatul ‘Uqala of Imam Ibn Hibban pg. 82-83. Also see Shu’abul Iman, Hadith: 7992)
Always speak the truth, even if it leads to your death
See the full narration here.
And Allah Ta’ala Knows best.
Answered by: Moulana Suhail Motala
Approved by: Moulana Muhammad Abasoomar