Hawzah News Agency – Imam Ali peace be upon him says:

إيّاكَ والبَغيَ فإنّهُ يُعَجِّلُ الصَّرْعةَ، ويُحِلُّ بالعاملِ بهِ العِبَرَ.

'Avoid aggression, for it expedites death and makes of its doer a lesson to others.'

Source: Ghurar al-Hikam, no. 2657