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1·Which questions and which thinkers ? should one pick up for oneself?

哪些问题和哪些思想家,是必需认识的呢？

2·Therefore, knew that oneself cannot take up cannot lay down, then do not pick up easily the recollection.

所以，知道自己拿不起放不下，便不要轻易把回忆拾起。

3·To pick the apple by jumping up doesn't mean to set a high goal blindly and impracticably and indulge oneself in empty dreams and empty words ;

跳起来摘苹果，并不意味着盲目地不切实际地好高骛远，沉湎于空想空谈；