Because: If at first you don't succeed, try, try again!
Also: Thomas Edison once said that true genius is one part inspiration and 99 parts perspiration. (or something really close to that)
Persist
You must persist if you want to perfect your technique.
Persist should be used as other verbs are. I will persist in my pursuit of happiness. She persisted to ask me ceaselessly. Her persistence agitated me.
The prefix of persist is per-. Per- means through or intensive.
we want suffix of persist
The noun forms of the verb to persist are persister, persistence and the gerund, persisting.
The noun forms for the verb to persist are persister, persistence, and the gerund, persisting.
cease, give up, leave, quit, stop http://thesaurus.reference.com/browse/persist
persist
Persistent
Persist
transient, irresolute, lazy, relenting, surrendering, yielding, temporary