la flaqueza - weaknessSpanish example: Y el amor es la más noble flaqueza del espíritu. (John Dryden)
English example: And love is the noblest frailty of the mind. (John Dryden)
Source: la flaqueza - weakness (https://www.123teachme.com/spanish_feeds/word_of_the_day/2021/1/27)