I like science, technology, programming, computers, logic, puzzles, conundrums, and oxymorons, science fiction, quantum mechanics, Richard Feynman, and Paul Erdos.
And puns and squirrelly sayings:
In theory, there is no difference between theory and practice. In practice, there is.
Hofstadter's Law: It always takes longer than you expect, even when you take into account Hofstadter's Law