发现的喜悦是科学家们前进的动力。
I decided long ago never to walk in anyone's shadow; if I fail, or if I succeed at least I did as I believe.
这个人生阶段,这小小的阶段是“幸福来敲门”。
Psychology as the behaviorist views it is a purely objective experimental branch of natural science.
Small farmers are the backbone of global food security—they deserve investment and respect.
预测未来的最好方法就是创造它。