Karl Barth with his wife Nelly, his son-in-law Max Zellweger and his second great grandson, June 1968. (source:kbarth.org)
Jürgen Moltmann once commented on Karl Barth's Church Dogmatics:
"Well, we have more than 8,000 pages of Church Dogmatics from Karl Barth. And a very friendly critic once said, 'the truth cannot be so long'. […]