"Simple Made Easy" by Rich Hickey: https://www.infoq.com/presentations/Simple-Made-Easy/ "We should aim for simplicity because simplicity is a prerequisite for reliability. Simple is often erroneously mistaken for easy. "Easy" means "to be at hand", "to be approachable". "Simple" is the opposite of "complex" which means "being intertwined", "being tied together". Simple != easy. ..."