Full Idea
Fear is the antidote to boredom: the remedy must be stronger than the disease.
Gist of Idea
Fear cures boredom, because it is stronger
Source
E.M. Cioran (The Trouble with Being Born [1973], 05)
Book Reference
Cioran,E.M.: 'The Trouble with Being Born', ed/tr. Richard Howard [Penguin 2012], p.65
A Reaction
I suspect that this is the motivation of people who indulge in dangerous sports. Maybe all that is need is something daunting, rather than frightening.