For Kierkegaard nerds, a wonderful new resource has appeared, with commentary on most works and English translations of some. Seriously, my man S.K. punches lesser philosopher-theologians in the face:
Since boredom advances and boredom is the root of all evil, no wonder, then, that the world goes backwards, that evil spreads. This can be traced back to the very beginning of the world. The gods were bored; therefore they created human beings. Adam was bored because he was alone; therefore Eve was created. Since that moment, boredom entered the world and grew in great quantity in exact proportion to the growth of population....
sorenkierkegaard.org/comment.htm