Our age is in many ways unique, full of events and phenomena that never occurred before and can never happen again. They distort our thinking, making us believe that what is true now will be true forever, though perhaps on a larger scale. Because we have annihilated distance on this planet, we imagine that we can do it once again. The facts are otherwise, and we see them more clearly if we forget the present and turn our minds towards the past.

As quoted in Seeds of Peace : A Catalogue of Quotations (1986) by Jeanne Larson, Madge Micheels-Cyrus, p. 244

When the pioneers and adventurers of our past left their homes in search of new lands, they said good-bye forever to the place of their birth and the companion…

Clarke's Law of Revolutionary Ideas: Every revolutionary idea - in science, politics, art, or whatever - seems to evoke three stages of reaction. They may be s…

The present has its elan because it is always on the edge of the unknown and one misunderstands the past unless one remembers that this unknown was once part o…

I wonder whether any other generation has seen such astounding revolutions of data and values as those through which we have lived. Scarcely anything material …

Tomorrow is the yesterday of two days from now.