1. Like a scientist bent on making a discovery, he must cherish the hope that one day he will be amply rewarded.
    他必须像一个专心致志进行探索的科学家那样抱有这样的希望，即终有一天，他的努力会取得丰硕的成果。

2. It turns out that a scientist can see the future by watching four-year-olds interact with a piece of candy.
    人们发现，通过观察一个四岁孩子怎样处理一块糖，科学家可以预测其未来。