Frank J. Wilstach, comp. A Dictionary of Similes. 1916.
Conceal
Conceal, like cosmetics.
—Osman Edwards
Concealed,
Like some fair bud close folded in its sheath,
Gives not to view the blooming of its beauty.
—Kalidasa
Sorrow concealed, like an oven stopped,
Doth burn the heart to cinders.
—William Shakespeare