Whosoever hides his secret keeps his safety, safeguarded with himself

Umar ibn Khattab R.A(584 to Nov 3, 644 AD)

One of the most powerful and influential Muslim caliphs in history. He was a senior companion of the Islamic prophet Muhammad (PBUM). He succeeded Abu Bakr as the second caliph of the Rashidun Caliphate on 23 August 634.