the principle of not accepting foreign ideas uncritically during the process of national modernization

对待外来文化，我们应当坚持取其精华，去其糟粕的方针。

to take the essence and discard the dross; to keep what is good and reject the rest

我们在继承文化遗产时，必须取其精华，去其糟粕。

the requirement to be selective and critical when studying or acquiring new knowledge

读书时我们要学会取其精华，去其糟粕，吸取有益的知识。