Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Countless

Countless, as the drops that glide
In the ocean’s billowy tide.
—Anonymous

Countless as locusts.
—Anonymous

Countless as the stars that roof our night.
—Aubrey De Vere

Countless as the wraiths of slumber.
—Julia C. R. Dorr

Countless as the golden motes
That dance upon the sun’s earth-kissing beams.
—Frances Anne Kemble

Countless as motes in the sunbeams.
—Sir Walter Scott

Countless … as leaves on autumn’s tempest shed.
—Percy Bysshe Shelley

Countless as the desert sands.
—Bayard Taylor