[47.4] So when you meet in battle those who disbelieve, then smite the necks until when you have overcome them, then make (them) prisoners... THIS VERSE AS WRITTEN WHEN YOU MEET IN THE BATTLE IS MEANT FOR BATTLE FIELD ONLY. IF YOU ARE ARE SOLDIER AND IN WAR WITH ANY NATION YOU HAVE TO FIRE AND KILL THE OPPONENT AND THIS IS EXACTLY MENTIONED IN THIS VERSE AND ASK TO NOT TO KILL THE MAN IN YOUR STRIDE AND MAKE THEM PRISONERS.
[48.29] Muhammad is God's apostle. Those who follow him are ruthless to the unbelievers but merciful to one another. THE VERSE 9;123 AND 48;29 SENDS ALMOST THE SAME MESSAGE SO I AM ELABORATING BOTH OF TEM HERE. THERE ARE TIMES WHEN A PERSON TURNS TO %u2018IMAN%u2019 FROM DISBELIEF TO BELIEVING IN ALLAH AND HE GETS THE MAXIMUM OPPOSE FROM HIS NEAR AND DEAR ONE ONLY. LIKE IN MANY CASES A SON TURNS TO BE A MUSLIM BUT HIS FAMILY (FATHER, MOTHER, SISTER ETC) STANDS AGAINST HIM. SO THIS VERSE IS FOR THOSE PEOPLE ASKING THEM TO STAND FIRM IN THEIR FAITH AND DO NOT SUCCUMB TO THE PRESSURE BY THE NEAR ONES AND FIGHT (ARGUE/BE TOUGH) AND IN HEART SHOULD KNOW THAT ALLAH IS WITH YOU.