The inability to isolate software components from each other is the main reason why many popular programming languages cannot be used for making robu… - Joe Armstrong

This [showing his smartphone] is about a million time more powerful than the computer but the computer was developed on.

What did it work for this guy and not for me? Well, it's because machines were in different states when we performed those operations. The number of possible state of the machine is a really great number.

Object Oriented Programming, this is the art of hiding side effects. If you can do it successfully you can write this in program. If you do it unsuccessfully, you get in a sucking mess.