It is this conception of the unity of the human career which is perhaps the greatest achievement of historical study, since it gained a place analogous to that of natural science.

To the present writer a careful study of the facts now available seems to leave no doubt that civilization was born at the southeast corner of the Mediterranean.

In any case, in so far as our knowledge of the universe carries us, the advent of civilization for the first time on our globe represents the highest ascent of the life processes to which evolution had anywhere attained.

Today the traveller on the Nile enters a wonderland at whose gates rise the colossal pyramids of which he has had visions perhaps from earliest childhood.

The scientific mind does not so much provide the right answers as ask the right questions.

We're not scientific comedians, thinking like, 'Things have moved on, we need to do this, we need to reflect the world in this way.'

Like every country, North Korea has some very smart people. They could be contributing a lot more to science and other areas, but North Koreans are forced to spend so much time memorising the fake history of our dictators and other propaganda, so are at a huge disadvantage.

The strength of self-reliance and self-development is that of science and technology, and the shortcut to implementing the five-year strategy is to give importance and precedence to science and technology.