Manusmriti

siva.sh/manusmriti/7/39

तेभ्योऽधिगच्छेद् विनयं विनीतात्माऽपि नित्यशः । विनीतात्मा हि नृपतिर्न विनश्यति कर्हि चित् ॥ ३९ ॥

sanskrit

Let him, though he may already be modest, constantly learn modesty from them; for a king who is modest never perishes.

english translation

tebhyo'dhigacched vinayaM vinItAtmA'pi nityazaH | vinItAtmA hi nRpatirna vinazyati karhi cit || 39 ||

hk transliteration by Sanscript