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

Mix

Mix, like bards, the useful with the sweet.
—Joel Barlow

Mix as mists do.
—Robert Browning

Mixed together like jackstraws.
—Irvin S. Cobb

Are mixed as the mist of some devilish dream.
—Rudyard Kipling

Mix them up
Like self-destroying poisons in one cup.
—Percy Bysshe Shelley