Endurance Promises, Quotes About Life “Challenges are the whetstone of our lives; we sharpen and sharpen by rubbing against them.” Herbert N. Casson
Success Quotes, Endurance Promises, Personality and Character Quotes, Happiness Quotes “No one knows what gems he hides inside. Until a necessity reveals that ore. Accept all the difficulties that life throws at you with joy. Because it is these difficulties that form a person's character and give him the energy that leads to happiness and success. Herbert N. Casson
