Read and reflect on verse 439 from Surah Aal-i-Imraan: And how many a prophet has had to fight [in God's cause], followed by many God-devoted men: and they did not become faint of heart for all that they h...
وَكَأَيِّنْ مِنْ نَبِيٍّ قَاتَلَ مَعَهُ رِبِّيُّونَ كَثِيرٌ فَمَا وَهَنُوا لِمَا أَصَابَهُمْ فِي سَبِيلِ اللَّهِ وَمَا ضَعُفُوا وَمَا اسْتَكَانُوا ۗ وَاللَّهُ يُحِبُّ الصَّابِرِينَ
And how many a prophet has had to fight [in God's cause], followed by many God-devoted men: and they did not become faint of heart for all that they had to suffer in God's cause, and neither did they weaken, nor did they abase themselves [before the enemy], since God loves those who are patient in adversity;