“I wanted to climb to the summit of challenges, attack my way through hardships as solid as granite, tempt all sorts of peril, and break through mysteries with science. I longed to inhale all sorts of experience and then explore the labyrinthine ins and outs of life that in the end cannot be guessed. I yearned for possibilities that react with each other, like the collision of uranium molecules: binding, multiplying, bursting, and dispersing in unexpected directions. I wanted to go to faraway places and meet with endless varieties of foreign languages and peoples. I wished to rove, finding my direction through reading the stars of constellations. I wanted to cross fields and deserts, to be burned by the sun until I blistered, to be shook by the assaulting wind, and shrink from being gripped by cold. I wanted a life that was thrilling, filled with conquest. I wanted to live! To feel the essence of being!”