You can never know a lot but you can always do a lot.

Try, try, and try again. Never stop trying.

As an actor, I'm always up for exploring and trying new things.

Trains are great dirty smokey thungs", said Will. "You won't like it."
Tessa was unmoved. "I won't know if I like it until I try it, will I?"
"I've never swum naked in the Thames, but I know I wouldn't like it."
"But think how entertaining for sightseers," said Tessa.....

Mere thoughts of success wouldn't add much to the life, but actions will.

As an entrepreneur you keep trying things, and I try everything. I try business ideas, on our website we test everything, iterate, iterate, iterate.