“Challenge is the core and the mainspring of all human activity. If there's an ocean, we cross it; if there's a disease, we cure it; if there's a wrong, we right it; if there's a record, we break it; and finally, if there's a mountain, we climb it.” IfsInspirationalHumansChallengesBreakRecordsActivityMountainDiseaseOceanCrossesPerseveranceCoreCuresClimbsHuman Activity Author:James Ramsey Ullman
