333 Riddles And Brain Teasers The Whole Family Will LOVE! (But, Only The Smartest Children Will Solve The Toughest One!) "The mind is not a vessel to be filled, but a fire to be kindled." - Plutarch. Now why have we left that quote here? Because, today's children are not doing enough to ignite that inner fire inside themselves, and allow their mind to develop to INCREDIBLE levels. Endless...