Be tenacious and never give up! You'll succeed!

I say that one of the keys to success in life is perseverance.

64-year old swimmer Diana Nyad embodies this.  In her TED address she talks about never giving up.  Watch and be inspired!

http://www.ted.com/talks/diana_nyad_never_ever_give_up.html

per·se·ver·ance

ˌpərsəˈvi(ə)rəns/

noun

noun: perseverance

1. 1.

   steadfastness in doing something despite difficulty or delay in achieving success.

   "his perseverance with the technique illustrates his single-mindedness"

   synonyms:

   persistence, tenacity, determination, staying power, indefatigability, steadfastness, purposefulness; More patience, endurance, application, diligence, dedication, commitment, doggedness, assiduity, tirelessness, stamina; intransigence, obstinacy; informalstick-to-it-iveness; formalpertinacity "in a competitive environment, perseverance is