His mind appeared to her to have a Shoreless sweep.
"Rose of Dutcher's Coolly"
Hamlin Garland
And this prophecy is followed immediately by a most profound ejaculation, gathering into one pathetic abstraction the total philosophy of life: "We are such stuff As dreams are made of; and our little life Is rounded by a sleep;" that is, in effect, our life is a little tract of feverish vigils, surrounded and islanded by a Shoreless ocean of sleep-sleep before birth, sleep after death.
"Biographical Essays"
Thomas de Quincey
He must run into port, find shelter from the terrors of the Shoreless sea of the unknown!
"Home Again"
George MacDonald