Each time a man stands up for an ideal, or acts to improve the lot of others, or strikes out against injustice, he sends forth a tiny ripple of hope ... and crossing each other from a million different centers of energy and daring those ripples build a current that can sweep down the mightiest walls of oppression and resistance.
- Robert F. Kennedy
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There are, as far as the layman is concerned, two kinds of scientific truth. At one end of the spectrum -- the gamma ray end, if we use the electromagnetic spectrum as a model -- there are the kinds of concepts we associate with science's grand design, the truths which permeate the dark depths of…
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