He knew what to say; he knew also, when to leave off, — a continence which is practised by few writers.

Actually, progression of periodontitis interdepends on various diseases with mediation mainly by osteoimmune responses.

To multiply two numbers, add their logs.

From time to time, I called Kasim! at the top of my voice. But the sound died away among the tree-trunks; and I got no answer but the clevitt of a frightened night-owl.