The syntax of Smalltalk famously fits on a postcard, but understanding it takes at least a few minutes.
YOUTUBE WfAbOlmULjk Smalltalk Syntax in 7' by Oscar Nierstrasz
Smalltalk syntax is designed so that you can read it aloud, and it should make sense.
Smalltalk allClasses select: #isAbstract
For example: `Smalltalk allClasses select: #isAbstract` returns all the abstract classes in the Smalltalk system.
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