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

Steadfast

Steadfast as the steered-by star.
—Alfred Austin

Steadfast as the light of a diamond.
—Edward Bulwer-Lytton

Steadfast as the sun.
—Thomas Carlyle

Steadfast as the eternal throne.
—Alice Cary

Steadfast as a wall.
—Geoffrey Chaucer

Stands steadfast, like tower which blast of wind can never shake.
—Dante

Steadfast, as the throne of God.
—Aubrey De Vere

Steadfast as a principle.
—John Keats

Steadfast as the pole-star.
—Hannah More

Steadfast as a fixed star.
—Christina Georgina Rossetti

Steadfast as the everlasting rocks.
—Robert Southey

Steadfast as a sea-mew’s wing.
—Algernon Charles Swinburne

Steadfast as clouds or hours in flight.
—Algernon Charles Swinburne