The rule which should guide us in such cases is simple and obvious enough: that the aggregate testimony of our neighbours is subject to the same conditions as the testimony of any one of them.

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• William Kingdon Clifford:

  Namely, we have no right to believe a thing true because everybody says so unless there are good gr

• William Kingdon Clifford:

  A little reflection will show us that every belief, even the simplest and most fundamental, goes be

• William Kingdon Clifford:

  We may always depend on it that algebra, which cannot be translated into good English and sound com

• William Kingdon Clifford:

  There is no scientific discoverer, no poet, no painter, no musician, who will not tell you that he

• William Kingdon Clifford:

  It is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence.

• John Hanning Speke:

  Cows, after leaving the low lands near the coast, are found to be plentiful everywhere, and to prod

• John Hanning Speke:

  Each tribe has its characteristics, it is true.

• John Hanning Speke:

  I profess accurately to describe native Africa - Africa in those places where it has not received t

• John Hanning Speke:

  I was afterwards sorry for this, though, if I ever travel again, I shall trust to none but natives,

• John Hanning Speke:

  In the following pages I have endeavoured to describe all that appeared to me most important and in