an amiable temper

Our senses, our instincts, our intellections are all instruments of adaptation.

Those of us who didn't want OBHWF felt that Rowling was making a mistake, not that she was being misleading.

Naturally, there exist three kinds of optical beams: parallel, divergent, and convergent (see Fig. 1.1.1). If a beam, either divergent or convergent, has a single point of intersection of all optical rays it is called a homocentric beam (Fig. 1.1.1b,c). An example of a non-homocentric beam is shown in Fig. 1.1.1 d.