The Flower that once has blown forever dies.

Dead yesterdays and unborn tomorrows, why fret about it, if today be sweet.

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

To-day is thine to spend, but not to-morrow; Counting on morrows breedeth bankrupt sorrow: O squander not this breath that Heaven hath lent thee; Make not too sure another breath to borrow.

Oh! My beloved! fill the cup, that clears to-day of past regrets and future fears.

A hair divides what is false and true.

You've seen the world, and all you've seen is nothing; and everything, as well, that you have said and heard is nothing. You've sprinted everywhere between here and the horizon; it is nothing. And all the possessions you've treasured up at home are nothing.