“Nothing would be done at all if one waited until one could do it so well that no one could find fault with it.”

“A man would do nothing if he waited until he could do it so well that no one could find fault.”

“I would not sit waiting for some vague tomorrow, nor for something to happen. One could wait a lifetime, and find nothing at the end of the waiting. I would begin here, I would make something happen.”

“What dark secrets do you keep hidden from the world? Where would you go if no one could find you? What would you do if no one could see you?”

“Faults They came to tell your faults to me, They named them over one by one; I laughed aloud when they were done, I knew them all so well before,-- Oh, they were blind, too blind to see Your faults had made me love you more.”

“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.”