[DATE, ex. Wednesday, June 11, 2011]


[NAME, COMPANY AND ADDRESS, ex.
John Smith
XYZ Inc.
1234 First Street
Suite 567
Anycity, Anystate 85245]

Dear [NAME, ex. John Smith],

I was quite upset to hear that you are feeling ill. However, with the vigor and stamina for which you are known, I am certain you will be better in no time. Please accept, then, my sincerest wish that you get better soon.

Sincerely,


[YOUR NAME, ex. Jill Jones]
vigor:

the American spelling of vigour

physical or mental energy and determination
with vigour
He began working with renewed vigour .
intellectual vigor
the vigor of a storm
stamina:
physical or mental strength that lets you continue doing something for a long time without getting tired
You need stamina to be a long-distance runner. Elaine has the stamina and the determination to succeed