Umar admits his lack of knowledge

Umar said: 

Everyone is more knowledgeable/ learned than Umar (ل الناس أفقه من عمر ف) 

(Al Suyuti said sanad jayyid (strong chain like Hasan) and Ibn Katheer also said sanad jayyid)

[Tafseer Shawkani/Fath Al Qadir Vol 1 p 360]