每一个超限的一致多重性,即每一个超限集合,必须有一个确定的阿列夫作为其基数。
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.
最好的故事是那些拒绝结束的故事。
Efficiency in aquaculture isn’t about producing more—it’s about wasting less.