After you have done all that you reasonably can, you may want to leave the matter in Jehovah’s hands.
بَعْدَ أَنْ تَفْعَلَ كُلَّ مَا فِي وُسْعِكَ ،‏ يُمْكِنُكَ أَنْ تَتْرُكَ ٱلْمَسْأَلَةَ بَيْنَ يَدَيْ يَهْوَه .‏