the eye cannot see its lashes——lack self-knowledge ? 遠(yuǎn)求而近遺，如～。(王安石《臨川集·再寄蔡天啟》詩)Seeking from afar while missing things close at hand，丨Tis like the eye not seeing its lashes.
目不見睫mù bù jiàn jié
睫：睫毛。眼睛看不見睫毛。比喻只看見遠(yuǎn)處而看不到近處；也比喻沒有自知之明。lack self-knowledge, not know oneself