Give me again my hollow tree,

A crust of bread, and liberty.

Alexander Pope (1688-1744): Satires, Epistles, and Odes of Horace. Satire vi. Book ii. Line 220.

Then to side with Truth is noble when we share her wretched crust,

Ere her cause bring fame and profit, and 't is prosperous to be just;

Then it is the brave man chooses, while the coward stands aside,

Doubting in his abject spirit, till his Lord is crucified.

James Russell Lowell (1819-1891): The Present Crisis.

Love in a hut, with water and a crust,

Is—Love, forgive us!—cinders, ashes, dust.

John Keats (1795-1821): Lamia. Part ii.