In the verse I have recited, our Lord Almighty (swt) states, “And when they hear ill speech, they turn away from it and say, ‘For us are our deeds, and for you are your deeds. Peace will be upon you; we seek not the ignorant.’” 
In the hadith I have quoted, Prophet Muhammad (saw) says, “Indeed among the excellence of a person’s Islam is that he leaves what does not concern him.” 
Our sublime religion Islam orders us to be engaged in useful, auspicious and meaningful affairs in all stages of our lives.
The values we have and the blessings our Lord (swt) has bestowed upon us are too precious to waste unnecessarily and purposelessly. All Muslims who have this awareness stay clear of useless affairs that benefit neither themselves nor the people around them. They use their mind and heart in the way of good and in works that are appropriate in terms of the appreciation of Allah (swt).
According to the Holy Qur’an, one of the most common qualities of Muslims who attain salvation is to avoid affairs that are not their business and purposeless.
Then, let us strive to be perfect Muslims with our words, thoughts, conscience and morals. Let us not forget that our quality as a Muslim will become finer and our servitude to Allah (swt) will become more valuable in the presence of Allah to the extent that we stay away from purposeless activities.
 Qasas, 28/55.
 Tirmidhi, Zuhd, 11; Muwatta, Husn al-Khulq, 1.
 Mu’minun, 23/3.