Begin Challenging Your Own Assumptions.

"Begin challenging your own assumptions. Your assumptions are
your windows on the world. Scrub them off every once in
awhile, or the light won't come in."

-- Alan Alda

Other idea..

Prove your assumptions, bring it out and try if it works. Don't worry with your mistakes, it is part of having success in your venture. 

Firming question..
Are you brave enough to carry out your assumptions?

Don’t settle, read more..

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