For an idea ever to be fashionable is ominous, since it must afterwards be always old-fashioned.

For an idea ever to be fashionable is ominous, since it must afterwards be always old-fashioned.

因为一个想法一旦流行起来就是不祥的预兆，因为它以后一定会过时。

-- George Santayana 乔治·桑塔亚纳