"Don't walk into that beautiful night meekly, the old people should burn and roar at dusk." This poem by Welsh poet dylan thomas is actually widely circulated in western countries. It is said that Bob Dylan's name was changed by the poet's name. Sentences in the poem appear repeatedly in Interstellar, like songs or deliberate spells. Nolan explained that he chose this well-known poem only in the hope that through the appeal of these sentences, "give us courage and help us resist the fear of death and the hesitation of time passing." "I like to use this poem repeatedly in movies to create a sense of intimacy for the audience. After repeated appearances, this poem is like a familiar piece of music, which can bring different feelings to people every time it is read out. "
In the film, Dr Brent mentioned this poem of dylan thomas several times. On the one hand, it expresses Dr. Brent's indignation at his efforts to save the fate of mankind. On the other hand, it also emphasizes the fact that the fate of the earth is coming to an end due to the deterioration of the environment created by human beings.