Smalltalk is one of the simplest, smallest programming languages in the world. Thus, it is supremely easy to learn. Its syntax can fit on a post card!
At the same time, Smalltalk is incredibly powerful. Its range of uses is phenomenal. Read Smalltalk May Be the Nikola Tesla of the IT Industry.
Smalltalk is the best way to learn how to program. See Learn How To Program. Also, look at some additional learning resources.
Read Behold Pharo: The Modern Smalltalk.
Learn Smalltalk today!