To know something truly is to be able to use the knowledge in a particular way. Just being able to repeat information – or find it on Wikipedia – is not robust knowledge. Froebel (of the famous ‘gifts’ or blocks that inspired Frank Lloyd Wright and a generation of Modern artists) who described his pioneering kindergarten as ‘a republic of children, said: “If [ideas] do not originate in such manner [by interaction with objects] they are not the product of one’s own mental activity, but simply the consent of the understanding of the ideas of others.”