It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that: Do not follow people in your religion without evidence; and if you refuse (to give this up), then follow the dead, not the living.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 2236
Hadith Gradingمحدثین:صحيح
Hadith Takhrij«صحيح۔ اخرجه اللالكائي في شرح الاعتقاد 1/93»