err on the side of caution. explored the complex relationship between the artist and her late sister Devonia through a juxtaposition with the troubled story of the royal sisters Nefertiti and Mutnedjmet of ancient Egypt.Credit...

Lorraine O’Grady’s performance in “Nefertiti/Devonia Evangeline” in 1981 explored the complex relationship between the artist and her late sister Devonia through a juxtaposition with the troubled story of the royal sisters Nefertiti and Mutnedjmet of ancient Egypt.Credit...Naima Green for The New York Times

But they shared an almost monotheistic faith in his art. As Matisse said, “If Cézanne is right, then I am right.”

“Cézanne and Beyond” errs on the side of the obvious, in both the choice of artists and the juxtapositions of specific works.

err on the side of caution
to be especially careful rather than taking a risk or making a mistake:
Twenty-five people have replied to the invitation, but I've erred on the side of caution and put out 30 chairs.