Mahabharata 12.101.14

आकाशं तु वनाभ्याशे मन्यन्ते गुणवत्तरम्बहुभिर्गुणजातैस्तु ये युद्धकुशला जनाः

ākāśaṃ tu vanābhyāśe manyante guṇavattarambahubhirguṇajātaistu ye yuddhakuśalā janāḥ

Our plain-language meaning of this verse is waiting for scholar review.