“Families achieve these results through self-sacrifice and perseverant efforts that promote their children's development.”

“Stoic, perseverant and disciplined, they are a proud people of few words who shun the limelight.”

“The most dependable, perseverant dogs were originally selected from the pack to be used on the leash to pick up the trail of wounded game.”

“The total score is the number of patterns produced minus the number of perseverative errors.”

“Additionally, they exhibited other unusual postures and perseverative behaviors and fail to evince normal separation anxiety when removed from their mothers.”

“Autism is a neurobehavioural disorder characterized by impairment of social relatedness, delayed and disordered communication, and restricted, perseverative and stereotypic behaviour patterns occurring in young children.”

“Whoever exerts himself notwithstanding fatigue or succeeds effortfully in maintaining a consistent line of action is eulogized as a persevering individual.”