The philosopher is not an apologist; apologetic concern, as Karl Barth (the one living theologian of unquestionable genius) has rightly insisted, is …

- Donald M. Mackinnon

The creative person prefers the richness of the disordered to the stark barrenness of the simple.

- Donald M. Mackinnon

. . . personal soundness is not an absence of problems but a way of reacting to them.

- Donald M. Mackinnon