"Anything can happen in SF. And the fact that nothing ever does happen in SF is only due to the poverty of our imaginations, we who write it or edit it or read it. But SF can in principle deal with anything"

This quote by John Sladek talks to the capacity of science fiction as a genre. He recommends that anything is possible in sci-fi, which the only constraint is the imagination of those who write, modify, and read it. He indicates that sci-fi has the capability to explore any concept, no matter how outlandish or far-fetched. This is a testimony to the power of sci-fi as a category, and its capability to explore the unknown and the impossible. It is a reminder that sci-fi can be used to check out any idea, no matter how strange or complex. It is a tip that sci-fi can be utilized to explore the boundaries of our imaginations and to press the limits of what is possible. Simply put, this quote is a tip that science fiction is a powerful tool for checking out the unidentified and the impossible.