Be scrupulously truthful, even if the truth is inconvenient, for it is more inconvenient when you try to conceal it.
Bertrand RussellAlthough this may seem a paradox, all exact science is dominated by the idea of approximation. When a man tells you that he knows the exact truth about anything, you are safe in inferring that he is an inexact man. Every careful measurement in science is always given with the probable error ... every observer admits that he is likely wrong, and knows about how much wrong he is likely to be.
Bertrand RussellOne is always a little afraid of love, but above all, one is afraid of pain or causing pain.
Bertrand RussellI think periods of browsing during which no occupation is imposed from without are important in youth because they give time for the formation of these apparently fugitive but really vital impressions.
Bertrand Russell