"Faith has to do with things that are not seen and hope with things that are not at hand."

"A good stance and posture reflect a proper state of mind."

"It is easier to fight for one's principles than to live up to them."

Psst. You want to know how governments and corporations get the drop on one another? The frontline of intelligence is populated by spies. Learn about how spies get and transfer information (and why they do it) in this episode of Stuff You Should Know.

In the 400th episode of Stuff You Should Know, Josh and Chuck take a trip through the morgue and look over the shoulders of the often controversial coroners and medical examiners that open cadavers to determine how someone died. 

Few numbers have as storied a past as zero. Even fewer have had as great an impact on our ability to understand our universe. Yet zero is a relatively recent arrival in math. Find out all about this surprisingly fascinating number with Chuck and Josh.