Human beings know a lot of things, some of which are true, and apply them. When we like the results, we call it wisdom.

Mathematics is a language. We want scientists to be able to read it, speak it, and write it. But we are are not training them to be grammarians.

Creativity is no less challenging or exciting when the mystery is stripped from the creative process. The most beautiful flowers grow under careful cultivation from common soil.

Anything that gives us new knowledge gives us an opportunity to be more rational.

Assuming that a tax increase is necessary, it is clearly preferable to impose the additional cost on land by increasing the land tax, rather than to increase the wage tax - the two alternatives open to the City (of Pittsburgh). It is the use and occupancy of property that creates the need for the municipal services that appear as the largest item in the budget - fire and police protection, waste removal, and public works. The average increase in tax bills of city residents will be about twice as great with wage tax increase than with a land tax increase.

By 1985, machines will be capable of doing any work Man can do.

Innovation has a lot to do with your ability to recognise surprising and unusual phenomena.