In New English Review Dalrymple praises an uncommon virtue he says is necessary for the production of great art: self-censorship…

But one faculty seems to me to be essential or indispensable in the individuals who would produce great art: namely, the faculty of self-censorship, that is a sense not merely of what should be left out, but of what should not be said. Without self-censorship, complete freedom of expression is destined by a kind of inner logic an arms-race of vulgar sensationalism.