Kural - 1119

If as her face, whose eyes are flowers, thou wouldst have charms for me,
Shine for my eyes alone, O moon, shine not for all to see

Explanation
O moon, if you wish to resemble the face of her whose eyes are like (these) flowers, do not appear so as to be seen by all.

Tamil Transliteration
Malaranna Kannaal Mukamoththi Yaayin
Palarkaanath Thondral Madhi.