It is present in all his works, in stray letters and detached passages.
Her thoughts could not stray far from the letter and—from other things!
He did not propose to have his plans spoiled by these stray guests.
As much to me as if a stray, migratory mule had rambled into the wood and found me, and I him.
I am such a waif and stray everywhere, that I am liable to be drifted ...