Shiva Purana
कौमारेऽपि महादुःखं बाललीलानुसारि यत् ॥ ततोपि यौवने कामान्भुन्जानो दुःखरूपिणः ॥ २३॥
Even in infancy and childhood there is great misery in child’s sports. In youth man experiences misery even while enjoying pleasures.
english translation
kaumAre'pi mahAduHkhaM bAlalIlAnusAri yat ॥ tatopi yauvane kAmAnbhunjAno duHkharUpiNaH ॥ 23॥
hk transliteration by Sanscript