Did he mean to limit that counsel to the dire situation they were facing at the moment? No, his counsel is a principle we are to live by every day. Jesus set a sterling example in prayer.
(‏ كو ٤ :‏ ٢ ؛‏ ١ بط ٤ :‏ ٧‏ )‏ فَقَدْ قَالَ يَسُوعُ بُعَيْدَ ٱلطَّلَبِ مِنْ أَتْبَاعِهِ أَنْ يَبْقَوْا سَاهِرِينَ مَعَهُ :‏ « اِبْقَوْا سَاهِرِينَ وَصَلُّوا بِٱسْتِمْرَارٍ لِئَلَّا تَدْخُلُوا فِي تَجْرِبَةٍ » .‏