Benign Idiopathic Seizure

Regarding Chief Justice John Robert's illness, translating doctorese into English.

• Seizure ~ A sudden attack or convulsion due to involuntary electrical activity in the brain.
  
• Idiopathic ~ Of or relating to a disease having no known cause.
• Benign ~ Not life-threatening or severe.

Layman's Translation: We don't know what happened to the Chief Justice's brain but it's not important.