The puzzle is then more one of poker-type psychology than pure mathematics.

ECONOMIST: Letters | The

Adding to their allure is that they have also been determined to be Type IIa, the most chemically pure form of diamond showing exceptional appeal transparency.

FORBES: Connect

He wants only the morally pure to be put on display in the courtroom, but (as you could expect) that type of purity is a dream.

CNN: Review: Vengeance in a town full of grief in 'The Sweet Hereafter'