81.   From there, they progressed to the enthralling problem of human and divine love.

82.   Further, when his influence on educated people is considered, there remain huge problems of discrimination.

83.   Grappling with the many varied problems of the nineteenth century, it tackled innumerable tasks and faced innumerable obstacles.

84.   He acquired a lasting scientific interest in mucus, possibly Augmented by digestive problems of his own.

85.   He also raised the problem of noise from planes taking off and landing.

86.   He carried a heavy lad one day, claiming to be weighted by the problems of the world.

87.   He formulated the notion to elucidate the particular problem of how scientific ideas become represented in popular consciousness.

88.   He goes off on a riff about the problems of being middle-aged.