Cantor is a modern mathematician.

Infinity, including infinity or infinitesimal, is a limit concept or idea in mathematics. This idea has appeared in human history.

As early as more than two thousand years ago, Zhuangzi raised a similar question.

Cutting off a foot-long club by half every day will not exhaust it any day.

This sentence has the infinite thought mentioned above.

When the number of days tends to infinity, the remaining rod length tends to infinity.