大凡天下事，当局者迷，旁观者清。

Generally, for matters under heaven, those closely involved cannot see as clearly as those outside.

《新英汉大辞典》

大凡天下事，当局者迷，旁观者清。

Generally, for matters under heaven, those closely involved cannot see as clearly as those outside.

《新英汉大辞典》