Sentence examples for this is a stone from inspiring English sources

And this is a stone that ages well and quickly.

But this is a stone that Larry liked.

This is a stone monument whose aperture evokes what might discreetly be called womanhood.

This is a stone tossed from inside a glass house, given the aphoristic, wisdom-mongering tone of much of "Eat Pray Love," but it is also a welcome wink of self-awareness, indicative of the good humor that redeems some of the film's (and the book's) muzzy therapeutic moments.

This is a stone which is placed over the top of the line.

To the east of this was a stone structure which was probably a hall.

It wasn't Booker T and the MGs... but this was a stone-cold actual Stax/Volt band... and these four were playing at that level of lethal expertise and stone grooooooove.

To one side of this image is a stone sculpture of a nude goddess with multiple arms.

"This is a stepping stone.

This is a stepping stone to that".

"I feel like this is a stepping stone in my career.