By praying to him and accepting his guidance by holy spirit. How did Jesus perceive what Jehovah wanted him to do?
فَعَلَيْنَا أَنْ نَتَبَيَّنَ مَا يُرِيدُ أَنْ نَفْعَلَهُ ،‏ وَذٰلِكَ بِٱلصَّلَاةِ إِلَيْهِ وَقُبُولِ إِرْشَادِ رُوحِهِ ٱلْقُدُسِ .‏