Some of the work in the workbook doesn't correlate with the readings in the textbook.

I used to correlate love with sex.

The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far. The sciences, each straining in its own direction, have hitherto harmed us little; but some day the piecing together of dissociated knowledge will open up such terrifying vistas of reality, and of our frightful position therein, that we shall either go mad from the revelation or flee from the deadly light into the peace and safety of a new dark age.

Scientists noticed a trend that correlates with the rise of technology in society. As digital devices became more prevalent, people got fatter.

Sami doesn't think that these things are correlated.

The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents.