Algebras (jabbre and maqabeleh) are geometric facts which are proved by propositions five and six of Book two of Elements.

A loaf of bread, a jug of wine, and thou.

This clay, so strong of heart, of sense so fine,Surely such clay is more than half divine--'Tis only fools speak evil of the clay,The very stars are made of clay like mine.

Old Khayyám, say you, is a debauchee;If only you were half so good as he!He sins no sins but gentle drunkenness,Great-hearted mirth, and kind adultery.But yours the cold heart, and the murderous tongue,The wintry soul that hates to hear a song,The close-shut fist, the mean and measuring eye,And all the little poisoned ways of wrong.

Why, all the Saints and Sages who discuss'd Of the Two Worlds so wisely - they are thrust Like foolish Prophets forth; their Words to Scorn Are scattered, and their mouths are stopped with Dust.

Alas, that Spring should vanish with the Rose! That Youths sweet-scented Manuscript should close!

Fools, your reward is neither here nor there.