Objects are leveraged wherever possible
Using an existing object is better than inventing or reinventing a new one. Less code means a smaller memory footprint, yielding better performance; fewer classes means less for the developer to learn; and less to implement means fewer bugs, leading to a more reliable, more robust system. In the Taligent Application Environment, for example, the Collection classes provide a set of tested and debugged data structures that you don't have to write and debug yourself.
Naturally, leveragability does not mean one size always fits all. In another context, speed or space performance might demand use of a custom data structure. That's OK. As Einstein said, "Everything should be made as simple as possible, but not simpler."
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