译文:机遇不能白白错过,好时机不会每次都来。
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.
Investing in lower-emission technologies is not only good for the planet but also makes sound business sense.
我认为预测未来的最好方法就是创造它。
There is no hope without action.