Quote Originally Posted by delog
... and some more words like Вы (formal you),
But not in я (as English "I")...

Quote Originally Posted by delog
Вселенная (the Universe), Интернет (the Internet), Бог (the God)...
These are proper names.

Quote Originally Posted by Crocodile
except for:
4) Not for the days of weeks like: "yesterday was Wednesday and today is Monday"
5) Not in the titles of people when used with their names or in place of their names like "My boss is Mister Smith."
...