Frank J. Wilstach, comp. A Dictionary of Similes. 1916.
Certain
As certain as that a brook must have banks.
—Anonymous
As certain as that a squirrel will climb a tree.
—Anonymous
As certain as that your shadow will follow you.
—Anonymous
As certain as that the leaves will fall in autumn.
—Anonymous
Certain as gold.
—Anonymous
Certain as that a crooked tree will have a crooked shadow.
—Anonymous
Certain as that a person not guilty of his own death, shortens not his own life.
—Anonymous
Certain as that light and heat come and go with the sun.
—Anonymous
Certain as that no mill no meal.
—Anonymous
Certain as that plants and animals grow and die.
—Anonymous
Certain as that sticks burn away in the fire.
—Anonymous
Certain as the movements of heavenly bodies.
—Anonymous
Certain as the multiplication table.
—Anonymous
Certain as that the ocean is the meeting-place of all waters; the skies, the meeting-place of all torches; the tongue, of all tastes; the nose, of all smells; the mind, of all precepts.
—Anonymous
Certain as the rising of the morning sun.
—Anonymous
Certain as that the Tweed runs from east to west.
—Anonymous
Certain as Christmas.
—Harold Brighouse
Certainly, as evening empties morning into night.
—Elizabeth Barrett Browning
Certain as a gun.
—Samuel Butler
As certain as a tail will follow a comet.
—Thomas Carlyle
Certain to make his way there as a gimlet is to go through soft deal.
—Charles Dickens
A sound brain should always evolve the same fixed product with the certainty of Babbage’s calculating machine.
—Oliver Wendell Holmes
As certainly as the thunder-crash follows the lightning.
—Charles James Lever
Certaine as wayes unto the blinde.
—Richard Lovelace
Certain as bodies moved with greater impulse, progress more rapidly than those moved with less.
—Voltaire
Certainly as day comes after day.
—William Watson