The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

Technology has advanced more in the last thirty years than in the previous two thousand. The exponential increase in advancement will only continue. Anthropological Commentary The opposite of a trivial truth is false; the opposite of a great truth is also true.

You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth.

Opposites are not contradictory but complementary.

There are two sorts of truth: trivialities, where opposites are clearly absurd, and profound truths, recognised by the fact that the opposite is also a profound truth

A physicist is just an atom's way of looking at itself.

The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.