„Against destiny I fulfilled my duty.Uselessly? No, for I fulfilled it.“

— Fernando Pessoa
„Now, he no longer promises others the fulfillment of his duties, but promises himself the fulfillment of man.“
— Martin Buber
„I leave a people who received me as a son. That wounds a part of my spirit. I carry to new battlefronts the faith that you taught me, the revolutionary spirit of my people, the feeling of fulfilling the most sacred of duties: to fight against imperialism wherever it may be.“
— Ernesto Che Guevara
„One painful duty fulfilled makes the next plainer and easier.“
— Helen Keller
„I was created to fulfill a function and I failed in it. I negated my own existence.“
— Douglas Adams
„The impetus to grow and live intensely is so powerful in me I cannot resist it. I will work, I will love my husband, but I will fulfill myself.“
— Anaïs Nin