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.

• I am free because I know that I alone am morally responsible for everything I do. I am free, no matter what rules surround me. If I find them tolerable, I tolerate them if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do.
• When a place gets crowded enough to require ID's, social collapse is not far away. It is time to go elsewhere. The best thing about space travel is that it made it possible to go elsewhere.
• There is no way that writers can be tamed and rendered civilized or even cured. The only solution known to science is to provide the patient with an isolation room, where he can endure the acute stages in private and where food can be poked in to him with a stick.
• I am free because I know that I alone am morally responsible for everything I do. I am free, no matter what rules surround me. If I find them tolerable, I tolerate them if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do.
• You can have peace. Or you can have freedom. Don't ever count on having both at once.
• An armed society is a polite society. Manners are good when one may have to back up his acts with his life.
• One of the sanest, surest, and most generous joys of life comes from being happy over the good fortune of others.
• They didn't want it good, they wanted it Wednesday.
• By cultivating the beautiful we scatter the seeds of heavenly flowers, as by doing good we cultivate those that belong to humanity.
• When any government, or any church for that matter, undertakes to say to its subjects, This you may not read, this you must not see, this you are forbidden to know, the end result is tyranny and oppression no matter how holy the motives.