To render aid to the worthless is sheer waste. Rain does not freshen the Dead Sea, but only enables it to dissolve more salt.
Ten builders rear an arch, each in turn lifting it higher; but it is the tenth man, who drops in the keystone, who hears our huzzas.
Doubt is the beginning, not the end, of wisdom.
Ignorance may find a truth on its doorstep that erudition vainly seeks in the stars.
A superstition is a premature explanation that overstays its time.
Educated folk keep to one another's company too much, leaving other people much like milk skimmed of its cream.