It also is true that some ideas naturally work themselves out over a longer period of time than a single human life can encompass.

It also is true that some ideas naturally work themselves out over a longer period of time than a single human life can encompass.

同样，有些想法自然会在一个人的生命所能包含的更长的时间内实现。

-- James Edwin Gunn 詹姆斯·埃德温·冈恩