想到自己可能成為從世界上消除最大災(zāi)難之一的工具，同時(shí)懷有享受獨(dú)立、家庭和平與幸福的希望，這種喜悅常常如此強(qiáng)烈，以至于在草地上研究我喜愛的課題時(shí)，我有時(shí)會(huì)陷入一種遐想。
By used books. They have the same words as the new ones. Also libraries.
Your time is limited, don’t waste it living someone else’s life.
Children's books should challenge as well as comfort.