We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.
森林的真正价值不能仅用木材体积来衡量;它的价值在于它所维持的生命。
创新不是对一切都说“是”,而是对除最关键功能外的一切说“不”。
问题不是蠢人特别多,而是闪电都没有准确击中每一个。
"The past is never dead. It's not even past."