Ramayana
न ह्यन्यस्साधने हेतुः कर्मणोऽस्य हनूमतः । कार्यसिद्धिर्मतिश्चैव तस्मिन्वानरपुङ्गवे ॥ ५-६३-१८
"Hanuman, the foremost among the monkeys alone has the ability to do it, the reason being he has the capacity the wisdom - ॥ 5-63-18॥
english translation
na hyanyassAdhane hetuH karmaNo'sya hanUmataH । kAryasiddhirmatizcaiva tasminvAnarapuGgave ॥ 5-63-18
hk transliteration by Sanscript