Every child should have mud pies, grasshoppers, water bugs, tadpoles, frogs, mud turtles, elderberries, wild strawberries, acorns, chestnuts, trees to climb, brooks to wade in, water lilies, woodchucks, bats, bees, butterflies, various animals to pet, hayfields, pine-cones, rocks to roll, sand, snakes, huckleberries and hornets; and any child who has been deprived of these has been deprived of the best part of education.
如果你认为你是最好的，你就永远不会成为最好的。
The community stagnates without the impulse of the individual. The impulse dies away without the sympathy of the community.
抱最好的希望，做最坏的打算。
如果你不拥抱新事物，你就无法生存。
高效计算的关键不仅是速度，还有优雅。
每个革命者的责任就是进行革命。
今天很残酷，明天更残酷，后天很美好，但绝对大部分人会死在明天晚上。