“When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong.”

“1. When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong.2. The only way of discovering the limits of the possible is to venture a little way past them into the impossible.3. Any sufficiently advanced technology is indistinguishable from magic.”

“A man who is certain he is right is almost sure to be wrong.”

“Like everyone who possesses something precious in order to know what would happen if he ceased for a moment to possess it, he had detached the precious object from his mind, leaving, as he thought, everything else in the same state as when it was there. But the absence of one part from a whole is not only that, it is not simply a partial lack, it is a derangement of all the other parts, a new state which it was impossible to foresee in the old.”

“When God is going to do something wonderful, He or She always starts with a hardship; when God is going to do something amazing, He or She starts with an impossibility. ”

“The superior man, when resting in safety, does not forget that danger may come. When in a state of security he does not forget the possibility of ruin. When all is orderly, he does not forget that disorder may come. Thus his person is not endangered, and his States and all their clans are preserved.”