I wonder what the vintners buy one half so precious as the stuff they sell.

If I don't enjoy myself now, when shall I?

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

Living Life Tomorrow's fate, though thou be wise, Thou canst not tell nor yet surmise; Pass, therefore, not today in vain, For it will never come again.

By the help of God and with His precious assistance, I say that Algebra is a scientific art. The objects with which it deals are absolute numbers and measurable quantities which, though themselves unknown, are related to "things" which are known, whereby the determination of the unknown quantities is possible.

When I want to understand what is happening today or try to decide what will happen tomorrow, I look back.

Better be jocund with the fruitful Grape Than sadden after none, or bitter, Fruit.