וְלַֽעֲמָשָׂא֙ תֹּֽמְר֔וּ הֲל֛וֹא עַצְמִ֥י וּבְשָׂרִ֖י אָ֑תָּה כֹּ֣ה יַֽעֲשֶׂה־לִּ֤י אֱלֹהִים֙ וְכֹ֣ה יוֹסִ֔יף אִם־לֹ֠א שַׂר־צָבָ֞א תִּהְיֶ֧ה לְפָנַ֛י כָּל־הַיָּמִ֖ים תַּ֥חַת יוֹאָֽב׃
At kay Amasa ay sabihin ninyo: “Hindi ba ikaw ay aking buto at aking laman? Gayon nawa ang gawin sa akin ng Diyos, at higit pa, kung hindi ikaw ang magiging pinuno ng hukbo sa harap ko magpakailanman, kapalit ni Joab.”
Mesillat Yesharim
What caused Yoav to kill Amasa? Only honor. For David said to him: "you will be commander of the army before me all the days [instead of Yoav]" (Shmuel II 19:14).