The Prophet (ﷺ) said, "Khosrau will be ruined, and there will be no Khosrau after him, and Caesar will surely be ruined and there will be no Caesar after him, and you will spend their treasures in Allah's Cause." He called, "War is deceit'.

Allah's Messenger (ﷺ) called,: "War is deceit".

The Prophet (ﷺ) said, "War is deceit."

The Prophet (ﷺ) said, "Who is ready to kill Ka`b bin Al-Ashraf who has really hurt Allah and His Apostle?" Muhammad bin Maslama said, "O Allah's Messenger (ﷺ)! Do you like me to kill him?" He replied in the affirmative. So, Muhammad bin Maslama went to him (i.e. Ka`b) and said, "This person (i.e. the Prophet) has put us to task and asked us for charity." Ka`b replied, "By Allah, you will get tired of him." Muhammad said to him, "We have followed him, so we dislike to leave him till we see the end of his affair." Muhammad bin Maslama went on talking to him in this way till he got the chance to kill him.