“Variant: What is not yet done is only what we have not yet attempted to do.”

“What are the words you do not yet have? What do you need to say? What are the tyrannies you swallow day by day and attempt to make your own, until you will sicken and die of them, still in silence.”

“We do not know what we want and yet we are responsible for what we are - that is the fact.”

“The task of the artist at any time is uncompromisingly simple – to discover what has not yet been done, and to do it.”

“I was doing something I'd never done before. And what will I be able to do tomorrow that I cannot yet do today?”

“We often frame our understanding of what the space telescope will do in terms of what we expect to find, and actually it would be terribly anticlimactic if in fact we find what we expect to find. … The most important discoveries will provide answers to questions that we do not yet know how to ask and will concern objects we have not yet imagined.”

“Only when we have done all we knew to do can we wait by faith for God to do what only He can do.”

“We do not know what life is, and yet we manipulate it as if it were an inorganic salt solution…”

“The greatness is not what we do, but, unavoidably it is always in how we do what we do. Our present work may be great or small, Yet, the important is to do it well.”

“Those who are poor, smile at what they have, yet those who have good fortune, frown at what they do not have.”