The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.

If we believe in data structures, we must believe in independent (hence simultaneous) processing. For why else would we collect items within a structure? Why do we tolerate languages that give us the one without the other?

The ruling ideas of each age have ever been the ideas of its ruling class.

"Life, he realize, was much like a song. In the beginning there is mystery, in the end there is confirmation, but it's in the middle where all the emotion resides to make the whole thing worthwhile."