Kural - 496

The lofty car, with mighty wheel, sails not o'er watery main,
The boat that skims the sea, runs not on earth's hard plain

Explanation
Wide chariots, with mighty wheels, will not run on the ocean; neither will ships that the traverse ocean, move on the earth.

Tamil Transliteration
Katalotaa Kaalval Netundher Katalotum
Naavaayum Otaa Nilaththu.