If the universe is running down like a clock, the clock must have been wound up at a date which we could name if we knew it. The world, if it is to have an end in time, must have had a beginning in time.

Hominid and human evolution took place over millions and not billions of years, but with the emergence of language there was a further acceleration of time and the rate of change.

For the first time in human evolution, the individual life is long enough, and the cultural transformation swift enough, that the individual mind is now a constituent player in the global transformation of human culture.

Time Quotes