Slogan by Johan Commelin
http://stacks.math.columbia.edu/tag/0A4E#comment-986
Slogan by Johan + Johan
http://stacks.math.columbia.edu/tag/05RJ#comment-987
Slogan by Johan and Johan
http://stacks.math.columbia.edu/tag/0A03#comment-988
Slogan and typo by Johan Commelin
http://stacks.math.columbia.edu/tag/019Y#comment-989
http://stacks.math.columbia.edu/tag/019Y#comment-990