nAllah (SWT) says:
nوتعاونوا على البر والتقوى ولاتعاونوا على الإثم والعدوان واتقوا الله إن الله شديد العقاب
n
n"... Help one another to birr (righteousness and virtue) and taqwa (Piety, fear and reverence of Allah), but help not one another to ithm (sin and vice) and `Udwan (transgression). And fear and reverence Allah; verily, Allah is severe in punishment" [Al-Ma'idah 5:2].