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

Faithful

Faithful as dog, the lonely shepherd’s pride.
—Æschylus

Faithful as a good book.
—Anonymous

Faithful as the planets.
—Anonymous

Faithful as wax to one settled impression.
—Edward Bulwer-Lytton

Faithful as the sun in the heavens.
—James R. Gilmore

Faithful as the knee-joint to its socket.
—Arthur Guiterman

Faithful as the eagle to the sun, as is the steel unto the magnet.
—Victor Hugo

Faithful as the hands of a clock to the springs.
—George Meredith

Faithful as the star is to the night.
—T. Buchanan Read

Faithful, from day to day,
As Hesperus, that leads the sun his way.
—Torquato Tasso

Faithful as the sun.
—Henry Vaughan