With humans, it is like the bicycle. Only when moving can we easily keep balanced. – Albert Einstein, letter to son Eduard, 1930 February 5th, translated from German
What we now call school training, the pursuit of fixed studies at stated hours under the constant guidance of a teacher, I could scarcely be said to have enjoyed. – Simon Newcomb
[T]he diamond and other precious stones are focuses of light, and essences of colour which seem expressly created to ornament on a small scale the human body with all the splendours which adorn the universe on a large scale. – Charles Blanc, Art in Ornament and Dress, 1875
