And there is a direct connection with cruelty. Imam Sadeq (AS) said: Insisting on committing sins is due to cruelty [2]. Those who insist on committing sins are hand to hand with adversity, and the one who is in adversity, also suffers from cruelty [3].
[1] Mostadrakul Wasa’el,Vol. 12, Page 93.
[2] Wasaelul Shia, Vol. 16, Page 46.
[3] Akhlaq-e-Rabbani, Ayatollah Sheikh Mojtaba Tehrani (RA), Vol. 8, Page 177.