I conceive that there is nothing which gives a man more pause before taking as absolute what his feelings welcome, and his mind deems plausible, than even the flicker of recollection that something of the sort has been tried before, felt before, disputed before, and for some reason or other has now quite gone into Limbo.

Learned Hand (1872-1961) American jurist

“Sources of Tolerance,” speech, University of Pennsylvania Law School (1930-06)
    (Source)