Kural - 639

A minister who by king's side plots evil things
Worse woes than countless foemen brings

Explanation
Far better are seventy crores of enemies (for a king) than a minister at his side who intends (his) ruin.

Tamil Transliteration
Pazhudhennum Mandhiriyin Pakkadhadhul Thevvor
Ezhupadhu Koti Urum.