I've never created foreign keys in my database schemas and always wondered why it was necessary. Now I know why, and that it isn't necessarily necessary in most of my cases.
Consider the receiver of your email is treating your rantings as entertainment. They want to rile you up so they can be more entertained. Do your best to NOT entertain them.
Warren Buffet explains his concept of taking care of his mind, the way you would take care of a car if you only had one that had to last you for the rest of your life.
External link to the best fish with some recipes and ideas for the best ways to cook them.
Smart people tend to easily accept data that proves their preconceived beliefs, while they search for faults in data that goes against their ingrained beliefs. So how then do you get people to change their mind?
Jim Kwik gives lessons on how to stop procrastinating, how to remember things easier, and how to be happier with your life.
The founder of Alibaba, the world's biggest, ever-expanding company, gives his advice on how to focus on what you want so that you actually achieve your goals.