Saturday, 28 April 2012


If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives. - Richard P. Feynman

There is nothing more certain and unchanging than uncertainty and change. - John Fitzgerald Kennedy

To be absolutely certain about something, one must know everything or nothing about it. - Olin Miller

We can be absolutely certain only about things we do not understand. - Eric Hoffer

What men really want is not knowledge but certainty. - Bertrand Russell

When people are least sure, they are often most dogmatic. - John Kenneth Galbraith

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