  The magnetar model and a solid quark star model for anomalous X-ray
pulsars/soft gamma-ray repeaters (AXPs/SGRs) are discussed. Different
manifestations of pulsar-like stars are speculated to be due to both their
nature (e.g., mass and strain) and their nurture (ambience, and consequently
the type of accretion) in the solid quark star scenario. Relevant arguments
made by the author's group, including a debate on solid cold quark matter, are
briefly summarized too.
