19. The cause of sincerity is certitude. Leave a Comment / Certitude / By technorthstar3@gmail.com 19. The cause of sincerity is certitude. 19 سَبَبُ الإخْلاصِ اَلْيَقينُ. Share on Whatsapp Bookmark (0) Please login to bookmark Username or Email Address Password Remember Me No account yet? Register
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