Some of the world’s greatest feats were accomplished by people not smart enough to know they were impossible. —Doug Larson

Start by doing what’s necessary; then do what’s possible; and suddenly you are doing the impossible.      —St Francis of Assisi

One good thing about being young is that you are not experienced enough to know you cannot possibly do the things you are doing.

—Gene Brown

I never said it was possible. .I only said it was true.                         

                                                                                         —Charles Richet

Everything is theoretically impossible, until it is done. One could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.        —Robert Heinlein

Alice laughed. “There’s no use trying,” she said. “One can’t believe impossible things.” “I daresay you haven’t had much practice,” said the Queen. “When I was your age, I always did it half an hour a day. Why, sometimes, I’ve believed as many as six impossible things before breakfast.”                                                           —Lewis Carroll

The possibilities are numerous once we decide to act and not react.

—Gloria Anzaldua

The secret of life is to have a task, something you devote your entire life to, something you bring everything to, every minute of the day for the rest of your life. And the most important thing is, it must be something you cannot possibly do.     —Henry Moore

A seed hidden in the heart of an apple is an orchard invisible.

—Kahlil Gibran

What is important is not what someone is but what he is waiting for. Not the events of life but its possibilities.   —Dorothee Solle

When everything is lost, anything is possible.        —Robert Inman