Because of that We Prescribed unto the Children of Isra 'il : whosoever slayeth a person , except for a person , or for corruption in the land , it shall be as through he had slain all mankind , and whosoever bringeth life to one it shall be as though he had brought life to all mankind . And assuredly there came unto them Our apostles with evidences , yet even thereafter many of them are acting on the earth extravagantly .