过去不是监狱,而是跳板。
The soul is healed by being with children.
The very existence of libraries affords the best evidence that we may yet have hope for the future of man.
知识最大的敌人不是无知,而是知识的幻觉。
谷物种植的成功不仅仅以蒲式耳衡量,还要看我们土壤的健康状况。
攻击我很厉害我也回敬得很厉害,攻击我很轻微我也回敬得很轻微。
The only thing we have to fear is fear itself.