Ramayana
इदं ते चारु सञ्जातं यौवनं व्यतिवर्तते । यदतीतं पुनर्नैति स्रोतः शीघ्रमपामिव ॥ ५-२०-१२
'Your charming youth should not pass away (uselessly). A past event does not come back like a current of stream. ॥ 5-20-12॥
english translation
idaM te cAru saJjAtaM yauvanaM vyativartate । yadatItaM punarnaiti srotaH zIghramapAmiva ॥ 5-20-12
hk transliteration by Sanscript