1. They must be sedulously tended, if the vivifying fruits are to be at hand when needed.
    要想在需要的时候能够得到充满生机的果实，那就必须进行勤勉的护理。

2. The seeds must be carefully chosen; they must fall on good ground; they must be sedulously tended, if the vivifying fruits are to be at hand when needed.
    要想在需要的时候可随手摘取充满生机的果实，那就必然从选良种做起，然后将其植入肥沃的土地，还需要勤勉地护理。