Al-Anfal 8:65

Ya ayyuha annabiyyu harridialmu/mineena AAala alqitali in yakun minkumAAishroona sabiroona yaghliboo mi-atayni wa-in yakunminkum mi-atun yaghliboo alfan mina allatheena kafaroobi-annahum qawmun la yafqahoon

O Prophet, urge the believers to battle. If there are among you twenty [who are] steadfast, they will overcome two hundred. And if there are among you one hundred [who are steadfast], they will overcome a thousand of those who have disbelieved because they are a people who do not understand.

O Prophet, rouse the believers to fighting. If there are twenty among you, who are patient, they will overcome two hundred; and if there are one hundred among you, they will overcome one thousand of those who disbelieve, because they are a people who do not understand.