Sentence examples for it isn't essential from inspiring English sources

It isn't essential to know the tempestuous tale of its making to revel in "Cleopatra," Joseph L. Mankiewicz's spectacular yet intimate 1963 feast of literary insight and melodramatic extravagance.

That isn't available but, it appears, it isn't essential either.

(Novices should note that it isn't essential to do yoga in your bikini).

To own a car in Manhattan, it isn't essential that you be crazy.

Well, yes, and if you preheat the stone for a good half-hour, the crust will crackle even more, but it isn't essential.

The second clause provides extra information, and it isn't essential to the first clause.

In fact, in its proof, it is not essential that F is continuously differentiable in t.

But it is not essential.

It is not essential to be liked in sport.

But it is not essential to good writing.

Some sake is nice, but it is not essential.