There are four types among those who study with the Sages: the sponge, the funnel, the strainer, the sifter. The sponge absorbs everything; the funnel - in one end and out the other; the strainer passes the wine and retains the dregs; the sifter removes the chaff and retains the edible wheat.
-Pirkei Avot (5:15)
To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection.
-- Henri Poincaré
Happy New Year! Here's the latest and greatest installment of rationality quotes. Remember: