I'm not angry, I'm not an angry person, but I do sometimes like playing with the perception of anger, as in pretending that I'm more angry than I actually am, and sometimes it works quite well.
The greatest grand challenge for any scientist is discovering how to prevent the spread of HIV and finding the cure or an effective vaccine for AIDS.
The commerce of India does not grow, nor does that of Portugal, or of Turkey; that but that of the protected countries does increase, as has been shown in the case of Spain, and can now be shown in that of Germany.