983 – “One of the painful things about our time is that those who feel certainty are stupid, and those with any imagination and understanding are filled with doubt and indecision.”

-Bertrand Russell

945 – “Science does not aim at establishing immutable truths and eternal dogmas; its aim is to approach the truth by successive approximations without claiming that at any stage final and complete accuracy has been achieved.”

-Bertrand Russell

491 – “If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have paradise in a few years.”

–Bertrand Russell [Attributed]