stick at nothing

You appear to people who don't know you as a most conventional man. but you really stick at nothing and regret little.

From Time Magazine Archive

But as soon as he was safe in the hospital he began blowing his trumpet again, and said he would stick at nothing now, and that they should soon see what he would do.

From The House of the Dead or Prison Life in Siberia with an introduction by Julius Bramont by Fyodor Dostoyevsky

I meant to stick at nothing, to satisfy him whatever he asked—and I was going to lie.

From East of the Shadows by Mrs. Hubert Barclay

Idealize away, and be sure you stick at nothing!

From Inspiration and Interpretation Seven Sermons Preached Before the University of Oxford by John William Burgon

I have heard him tell Mr. Pelham to his face that the water should never flow over any dam the company might build here; that he would stick at nothing to defend his property.

From The King of Arcadia by Francis Lynde