Roller coaster phobia combine substantial heights with seemingly insignificant support, as well as free-falls and the illusion of uncontrolled drops. Because acrophobia involves an extreme fear of heights and falling, these conditions could cause someone who is an acrophobic to have an extremely negative reaction to riding roller coasters. Claustrophobia involves two parts, fear of physical restraint and fear of suffocation. The safety harnesses and enclosures on some rollercoaster and other rides are very restrictive, in order to protect the riders from harm. In addition, the speed of these rides can cause air displacement that makes it difficult for riders to catch their
Fear and Trembling in Concluding Unscientific Postscript, where he writes, "In that book [Fear and Trembling] I had perceived how the leap, according to the author, as the decision par excellence becomes specifically decisive for what is Christian and for every dogmatic category. This can be achieved neither through Schelling's intellectual intuition nor through what Hegel, flouting Schelling's idea, wants to put in its place, the inverse operation of the method. All Christianity is rooted in paradox, according to "Fear and Trembling"-yes, it is rooted in fear and trembling (which are specifically the desperate categories of Christianity and the leap)-whether one accepts it