Seasons of darkness

On the one hand:

Many however, do sink into depression if they really understand Calvinism and its implications. 

http://lotharlorraine.wordpress.com/2014/06/07/bound-to-eternally-suffer-an-interview-with-philosopher-jerry-walls/

On the other hand:

Seasons of darkness and depression and uncertainty are only the trial of that faith of assurance; they test it, and therefore imply its presence; or, if absent, its absence is thus declared to be the result of its own failure. William Burt Pope, A Compendium of Christian Theology (1889), 2:383.