In the letter, Guevara reaffirmed his enduring solidarity with the Cuban Revolution but declared his intention to leave Cuba to fight for the revolutionary cause abroad.
Di dalam surat tersebut, Guevara menegaskan kembali solidaritasnya dengan Revolusi Kuba, tetapi ia mengumumkan rencananya untuk meninggalkan Kuba untuk mengobarkan revolusi di luar negeri.