From your link, there is advice for today's computer game addicts:

The philosopher and theologian Al-Ghazali mentions chess in The Alchemy of Happiness (c. 1100). He uses it as a specific example of a habit that may cloud a person's good disposition:[34]

Indeed, a person who has become habituated to gaming with pigeons, playing chess, or gambling, so that it becomes second-nature to him, will give all the comforts of the world and all that he has for those (pursuits) and cannot keep away from them.

Snowballs grow linearly or maybe quadratically.

This article is...truthy.