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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。

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 band when needed .

它的种子必须要精挑细选，然后播撒到肥沃的土壤中，要想得到籽粒饱满、需要时随手可摘的果实，还必须对他们精心呵护。

Philosophy , however enlightened , however profound , gives no command over the passions , no influential motives , no vivifying principles .

哲学，无论多么富有启迪和深奥莫测，都无法驾驭情感，不具备有影响力的动机，不具有导致生动活泼的原理。

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 .

如果你想在需要的时候手边有就新鲜的果实，你就必须精心地选择种子；把它们种在良好的土壤中；给它们以精心的照料。