There is nothing in our lives that didn't once only exist in the imagination (ours or someone else's).  In fact, nothing in this world didn't once only exist in the imagination.  To create a different reality for yourself and a different future requires you to first imagine it in your mind and feel it in your heart.  The creation of your future cannot occur until you first create it in your mind.  And the fact, that you created your current reality should give you hope and promise that you can create and even better future.

Live out of your imagination, not your history.  Stephen R. Covey

Your imagination is everything. It is the preview of life’s coming attractions.  Albert Einstein

You must attach yourself spiritually to what you have placed in your imagination as a future fact, and never allow anyone, anything, any circumstance, no matter how persuasive their case, to alter what you know to be your destiny.  Wayne W. Dyer