"We are all prisoners of our own memories, and the key to freedom lies in understanding them."
The most dangerous phrase in business is "We've always done it this way."
The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.