One way to tell when you're using a programming language that's not powerful enough is by the amount of pattern in your source code. If you do a lot of command-c command-v followed by changing variable names, you're probably writing macroexpansions by hand.
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Kent Beck said: “design patterns start where the language ends”
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Abstraction is only useful in later stages of any area. You *need* to be copy and pasting very often early on, so you get an idea of exactly what to abstract later. Any programming language that supports functions will probably do this just fine. Do not abstract too early!
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