In a letter included in Popper's collection at Hoover, Einstein advises the young Austrian to abandon his quest and to remember the true logic of scientific discovery.

放在胡佛的波普尔的物品中有一封信，信中爱因斯坦建议年轻的奥地利人放弃他的冒险，重温科学发现的真正逻辑。

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It also highlighted an offer letter he wrote to Austrian actor Oskar Werner for the title role in the film and a "very polite hand-written inability letter" from Audrey Hepburn, in which she said she had decided not to work for a while, but asked if he would consider her "again sometime".

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