Du'a for sustenance

وَٱرۡزُقۡنَا وَأَنتَ خَيۡرُ ٱلرَّٰزِقِينَ

Warzuqnaa wa Anta khayrur-raaziqeen

Give us sustenance, for Thou art the Best of Sustainers

Qur'an 5:114 (Al-Ma'idah)