Manava Dharmashastra 9.5

9.5

sūkṣmebhyo 'pi prasaṅgebhyaḥ rakṣyā viśeṣataḥ
dvayor hi kulayoḥ śokam āvaheyur arakṣitāḥ //

Women must particularly be guarded against evil inclinations, however trifling (they may appear); for, if they are not guarded, they will bring sorrow on two families.