Possible Clues:

• Facility
• Simplicity
• Freedom from hardship
• Simplicity of sense is a hit
• Stress-free condition
• It's no trouble to get anything so trigonometrical into the seas
• With little difficulty one sees about what's wrong
• This is as seen to be not so hard
• There's no difficulty with such sins inthe seas
• Unravelling is seen as simplicity