He will not let us down. Yes, Jehovah knows what is best for us, wants what is best for us, and has the power to provide what is best for us.
نَعَمْ ،‏ يَعْرِفُ يَهْوَه مَصْلَحَتَنَا ،‏ وَيُرِيدُ ٱلْخَيْرَ لَنَا ،‏ وَلَهُ ٱلْقُدْرَةُ عَلَى تَزْوِيدِنَا بِمَا هُوَ ٱلْأَنْسَبُ لَنَا .‏